Home / 56,982.24-85,470.12-15,426

Finding the Fourth Proportional to 56,982.24, 85,470.12 and 15,426

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Solution

The fourth proportional to 56,982.24, 85,470.12 and 15,426 is: 23,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,982.24 : 85,470.12 = 15,426 : x
  2. Step 2: Convert to fraction form
    56,982.24/85,470.12 = 15,426/x
  3. Step 3: Cross multiply
    56,982.24x = 85,470.12 × 15,426
  4. Step 4: Simplify right side
    56,982.24x = 1,318,462,071.12
  5. Step 5: Solve for x
    x = 1,318,462,071.12/56,982.24
  6. Step 6: Final answer
    x = 23,138.12

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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.