Home / 38,582.28-57,877.50-12,280.86

Finding the Fourth Proportional to 38,582.28, 57,877.50 and 12,280.86

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Solution

The fourth proportional to 38,582.28, 57,877.50 and 12,280.86 is: 18,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.28 : 57,877.50 = 12,280.86 : x
  2. Step 2: Convert to fraction form
    38,582.28/57,877.50 = 12,280.86/x
  3. Step 3: Cross multiply
    38,582.28x = 57,877.50 × 12,280.86
  4. Step 4: Simplify right side
    38,582.28x = 710,785,474.65
  5. Step 5: Solve for x
    x = 710,785,474.65/38,582.28
  6. Step 6: Final answer
    x = 18,422.59

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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.