Home / 38,574.72-57,862.08-12,287.52

Finding the Fourth Proportional to 38,574.72, 57,862.08 and 12,287.52

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Solution

The fourth proportional to 38,574.72, 57,862.08 and 12,287.52 is: 18,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.72 : 57,862.08 = 12,287.52 : x
  2. Step 2: Convert to fraction form
    38,574.72/57,862.08 = 12,287.52/x
  3. Step 3: Cross multiply
    38,574.72x = 57,862.08 × 12,287.52
  4. Step 4: Simplify right side
    38,574.72x = 710,981,465.24
  5. Step 5: Solve for x
    x = 710,981,465.24/38,574.72
  6. Step 6: Final answer
    x = 18,431.28

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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.