Home / 25,659.48-38,488.20-9,023.28

Finding the Fourth Proportional to 25,659.48, 38,488.20 and 9,023.28

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Solution

The fourth proportional to 25,659.48, 38,488.20 and 9,023.28 is: 13,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.48 : 38,488.20 = 9,023.28 : x
  2. Step 2: Convert to fraction form
    25,659.48/38,488.20 = 9,023.28/x
  3. Step 3: Cross multiply
    25,659.48x = 38,488.20 × 9,023.28
  4. Step 4: Simplify right side
    25,659.48x = 347,289,805.30
  5. Step 5: Solve for x
    x = 347,289,805.30/25,659.48
  6. Step 6: Final answer
    x = 13,534.56

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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.