Home / 27,760.32-38,309.28-15,184.92

Finding the Fourth Proportional to 27,760.32, 38,309.28 and 15,184.92

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Solution

The fourth proportional to 27,760.32, 38,309.28 and 15,184.92 is: 20,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.32 : 38,309.28 = 15,184.92 : x
  2. Step 2: Convert to fraction form
    27,760.32/38,309.28 = 15,184.92/x
  3. Step 3: Cross multiply
    27,760.32x = 38,309.28 × 15,184.92
  4. Step 4: Simplify right side
    27,760.32x = 581,723,352.06
  5. Step 5: Solve for x
    x = 581,723,352.06/27,760.32
  6. Step 6: Final answer
    x = 20,955.21

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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.