Home / 38,654.40-58,000.80-15,281.60

Finding the Fourth Proportional to 38,654.40, 58,000.80 and 15,281.60

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Solution

The fourth proportional to 38,654.40, 58,000.80 and 15,281.60 is: 22,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654.40 : 58,000.80 = 15,281.60 : x
  2. Step 2: Convert to fraction form
    38,654.40/58,000.80 = 15,281.60/x
  3. Step 3: Cross multiply
    38,654.40x = 58,000.80 × 15,281.60
  4. Step 4: Simplify right side
    38,654.40x = 886,345,025.28
  5. Step 5: Solve for x
    x = 886,345,025.28/38,654.40
  6. Step 6: Final answer
    x = 22,929.99

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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.