Home / 27,129.36-37,434.24-15,800.72

Finding the Fourth Proportional to 27,129.36, 37,434.24 and 15,800.72

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Solution

The fourth proportional to 27,129.36, 37,434.24 and 15,800.72 is: 21,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.36 : 37,434.24 = 15,800.72 : x
  2. Step 2: Convert to fraction form
    27,129.36/37,434.24 = 15,800.72/x
  3. Step 3: Cross multiply
    27,129.36x = 37,434.24 × 15,800.72
  4. Step 4: Simplify right side
    27,129.36x = 591,487,944.65
  5. Step 5: Solve for x
    x = 591,487,944.65/27,129.36
  6. Step 6: Final answer
    x = 21,802.50

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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.