Home / 38,287.40-57,407.58-14,886.56

Finding the Fourth Proportional to 38,287.40, 57,407.58 and 14,886.56

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Solution

The fourth proportional to 38,287.40, 57,407.58 and 14,886.56 is: 22,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.40 : 57,407.58 = 14,886.56 : x
  2. Step 2: Convert to fraction form
    38,287.40/57,407.58 = 14,886.56/x
  3. Step 3: Cross multiply
    38,287.40x = 57,407.58 × 14,886.56
  4. Step 4: Simplify right side
    38,287.40x = 854,601,384.12
  5. Step 5: Solve for x
    x = 854,601,384.12/38,287.40
  6. Step 6: Final answer
    x = 22,320.70

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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.