Home / 38,187.20-57,280.80-26,377.40

Finding the Fourth Proportional to 38,187.20, 57,280.80 and 26,377.40

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Solution

The fourth proportional to 38,187.20, 57,280.80 and 26,377.40 is: 39,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.20 : 57,280.80 = 26,377.40 : x
  2. Step 2: Convert to fraction form
    38,187.20/57,280.80 = 26,377.40/x
  3. Step 3: Cross multiply
    38,187.20x = 57,280.80 × 26,377.40
  4. Step 4: Simplify right side
    38,187.20x = 1,510,918,573.92
  5. Step 5: Solve for x
    x = 1,510,918,573.92/38,187.20
  6. Step 6: Final answer
    x = 39,566.10

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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.