Home / 23,031.20-34,540.32-6,387.20

Finding the Fourth Proportional to 23,031.20, 34,540.32 and 6,387.20

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Solution

The fourth proportional to 23,031.20, 34,540.32 and 6,387.20 is: 9,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.20 : 34,540.32 = 6,387.20 : x
  2. Step 2: Convert to fraction form
    23,031.20/34,540.32 = 6,387.20/x
  3. Step 3: Cross multiply
    23,031.20x = 34,540.32 × 6,387.20
  4. Step 4: Simplify right side
    23,031.20x = 220,615,931.90
  5. Step 5: Solve for x
    x = 220,615,931.90/23,031.20
  6. Step 6: Final answer
    x = 9,579.00

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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.