Home / 38,390.60-57,585.90-18,652.16

Finding the Fourth Proportional to 38,390.60, 57,585.90 and 18,652.16

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Solution

The fourth proportional to 38,390.60, 57,585.90 and 18,652.16 is: 27,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.60 : 57,585.90 = 18,652.16 : x
  2. Step 2: Convert to fraction form
    38,390.60/57,585.90 = 18,652.16/x
  3. Step 3: Cross multiply
    38,390.60x = 57,585.90 × 18,652.16
  4. Step 4: Simplify right side
    38,390.60x = 1,074,101,420.54
  5. Step 5: Solve for x
    x = 1,074,101,420.54/38,390.60
  6. Step 6: Final answer
    x = 27,978.24

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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.