Home / 38,587.02-57,884.68-12,285.62

Finding the Fourth Proportional to 38,587.02, 57,884.68 and 12,285.62

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Solution

The fourth proportional to 38,587.02, 57,884.68 and 12,285.62 is: 18,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.02 : 57,884.68 = 12,285.62 : x
  2. Step 2: Convert to fraction form
    38,587.02/57,884.68 = 12,285.62/x
  3. Step 3: Cross multiply
    38,587.02x = 57,884.68 × 12,285.62
  4. Step 4: Simplify right side
    38,587.02x = 711,149,182.30
  5. Step 5: Solve for x
    x = 711,149,182.30/38,587.02
  6. Step 6: Final answer
    x = 18,429.75

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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.