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Finding the Fourth Proportional to 25,599.46, 38,416.48 and 8,959.63

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Solution

The fourth proportional to 25,599.46, 38,416.48 and 8,959.63 is: 13,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.46 : 38,416.48 = 8,959.63 : x
  2. Step 2: Convert to fraction form
    25,599.46/38,416.48 = 8,959.63/x
  3. Step 3: Cross multiply
    25,599.46x = 38,416.48 × 8,959.63
  4. Step 4: Simplify right side
    25,599.46x = 344,197,400.29
  5. Step 5: Solve for x
    x = 344,197,400.29/25,599.46
  6. Step 6: Final answer
    x = 13,445.49

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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.