Home / 27,575.40-38,053.84-15,000.16

Finding the Fourth Proportional to 27,575.40, 38,053.84 and 15,000.16

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Solution

The fourth proportional to 27,575.40, 38,053.84 and 15,000.16 is: 20,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.40 : 38,053.84 = 15,000.16 : x
  2. Step 2: Convert to fraction form
    27,575.40/38,053.84 = 15,000.16/x
  3. Step 3: Cross multiply
    27,575.40x = 38,053.84 × 15,000.16
  4. Step 4: Simplify right side
    27,575.40x = 570,813,688.61
  5. Step 5: Solve for x
    x = 570,813,688.61/27,575.40
  6. Step 6: Final answer
    x = 20,700.11

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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.