Home / 25,344.60-34,989.30-15,275.58

Finding the Fourth Proportional to 25,344.60, 34,989.30 and 15,275.58

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Solution

The fourth proportional to 25,344.60, 34,989.30 and 15,275.58 is: 21,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.60 : 34,989.30 = 15,275.58 : x
  2. Step 2: Convert to fraction form
    25,344.60/34,989.30 = 15,275.58/x
  3. Step 3: Cross multiply
    25,344.60x = 34,989.30 × 15,275.58
  4. Step 4: Simplify right side
    25,344.60x = 534,481,851.29
  5. Step 5: Solve for x
    x = 534,481,851.29/25,344.60
  6. Step 6: Final answer
    x = 21,088.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.