Home / 27,123.86-37,430.16-15,188.24

Finding the Fourth Proportional to 27,123.86, 37,430.16 and 15,188.24

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Solution

The fourth proportional to 27,123.86, 37,430.16 and 15,188.24 is: 20,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.86 : 37,430.16 = 15,188.24 : x
  2. Step 2: Convert to fraction form
    27,123.86/37,430.16 = 15,188.24/x
  3. Step 3: Cross multiply
    27,123.86x = 37,430.16 × 15,188.24
  4. Step 4: Simplify right side
    27,123.86x = 568,498,253.32
  5. Step 5: Solve for x
    x = 568,498,253.32/27,123.86
  6. Step 6: Final answer
    x = 20,959.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.