Home / 27,340.17-37,729.56-15,403.69

Finding the Fourth Proportional to 27,340.17, 37,729.56 and 15,403.69

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Solution

The fourth proportional to 27,340.17, 37,729.56 and 15,403.69 is: 21,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.17 : 37,729.56 = 15,403.69 : x
  2. Step 2: Convert to fraction form
    27,340.17/37,729.56 = 15,403.69/x
  3. Step 3: Cross multiply
    27,340.17x = 37,729.56 × 15,403.69
  4. Step 4: Simplify right side
    27,340.17x = 581,174,446.08
  5. Step 5: Solve for x
    x = 581,174,446.08/27,340.17
  6. Step 6: Final answer
    x = 21,257.16

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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.