Home / 27,700.71-38,226.92-15,125.55

Finding the Fourth Proportional to 27,700.71, 38,226.92 and 15,125.55

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Solution

The fourth proportional to 27,700.71, 38,226.92 and 15,125.55 is: 20,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.71 : 38,226.92 = 15,125.55 : x
  2. Step 2: Convert to fraction form
    27,700.71/38,226.92 = 15,125.55/x
  3. Step 3: Cross multiply
    27,700.71x = 38,226.92 × 15,125.55
  4. Step 4: Simplify right side
    27,700.71x = 578,203,114.18
  5. Step 5: Solve for x
    x = 578,203,114.18/27,700.71
  6. Step 6: Final answer
    x = 20,873.22

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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.