Home / 38,390.77-57,586.14-15,000.80

Finding the Fourth Proportional to 38,390.77, 57,586.14 and 15,000.80

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Solution

The fourth proportional to 38,390.77, 57,586.14 and 15,000.80 is: 22,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.77 : 57,586.14 = 15,000.80 : x
  2. Step 2: Convert to fraction form
    38,390.77/57,586.14 = 15,000.80/x
  3. Step 3: Cross multiply
    38,390.77x = 57,586.14 × 15,000.80
  4. Step 4: Simplify right side
    38,390.77x = 863,838,312.88
  5. Step 5: Solve for x
    x = 863,838,312.88/38,390.77
  6. Step 6: Final answer
    x = 22,501.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.