Home / 27,740.16-38,281.44-15,164.91

Finding the Fourth Proportional to 27,740.16, 38,281.44 and 15,164.91

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Solution

The fourth proportional to 27,740.16, 38,281.44 and 15,164.91 is: 20,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.16 : 38,281.44 = 15,164.91 : x
  2. Step 2: Convert to fraction form
    27,740.16/38,281.44 = 15,164.91/x
  3. Step 3: Cross multiply
    27,740.16x = 38,281.44 × 15,164.91
  4. Step 4: Simplify right side
    27,740.16x = 580,534,592.27
  5. Step 5: Solve for x
    x = 580,534,592.27/27,740.16
  6. Step 6: Final answer
    x = 20,927.59

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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.