Home / 57,373.80-86,063.28-17,931.72

Finding the Fourth Proportional to 57,373.80, 86,063.28 and 17,931.72

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Solution

The fourth proportional to 57,373.80, 86,063.28 and 17,931.72 is: 26,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373.80 : 86,063.28 = 17,931.72 : x
  2. Step 2: Convert to fraction form
    57,373.80/86,063.28 = 17,931.72/x
  3. Step 3: Cross multiply
    57,373.80x = 86,063.28 × 17,931.72
  4. Step 4: Simplify right side
    57,373.80x = 1,543,262,639.24
  5. Step 5: Solve for x
    x = 1,543,262,639.24/57,373.80
  6. Step 6: Final answer
    x = 26,898.39

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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.