Home / 15,931.05-23,898.87-5,402.00

Finding the Fourth Proportional to 15,931.05, 23,898.87 and 5,402.00

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Solution

The fourth proportional to 15,931.05, 23,898.87 and 5,402.00 is: 8,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.05 : 23,898.87 = 5,402.00 : x
  2. Step 2: Convert to fraction form
    15,931.05/23,898.87 = 5,402.00/x
  3. Step 3: Cross multiply
    15,931.05x = 23,898.87 × 5,402.00
  4. Step 4: Simplify right side
    15,931.05x = 129,101,576.25
  5. Step 5: Solve for x
    x = 129,101,576.25/15,931.05
  6. Step 6: Final answer
    x = 8,103.77

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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.