Home / 38,859.90-58,251.45-15,455.10

Finding the Fourth Proportional to 38,859.90, 58,251.45 and 15,455.10

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Solution

The fourth proportional to 38,859.90, 58,251.45 and 15,455.10 is: 23,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.90 : 58,251.45 = 15,455.10 : x
  2. Step 2: Convert to fraction form
    38,859.90/58,251.45 = 15,455.10/x
  3. Step 3: Cross multiply
    38,859.90x = 58,251.45 × 15,455.10
  4. Step 4: Simplify right side
    38,859.90x = 900,281,984.90
  5. Step 5: Solve for x
    x = 900,281,984.90/38,859.90
  6. Step 6: Final answer
    x = 23,167.38

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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.