Home / 25,156.50-34,695.37-15,589.74

Finding the Fourth Proportional to 25,156.50, 34,695.37 and 15,589.74

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Solution

The fourth proportional to 25,156.50, 34,695.37 and 15,589.74 is: 21,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.50 : 34,695.37 = 15,589.74 : x
  2. Step 2: Convert to fraction form
    25,156.50/34,695.37 = 15,589.74/x
  3. Step 3: Cross multiply
    25,156.50x = 34,695.37 × 15,589.74
  4. Step 4: Simplify right side
    25,156.50x = 540,891,797.50
  5. Step 5: Solve for x
    x = 540,891,797.50/25,156.50
  6. Step 6: Final answer
    x = 21,501.08

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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.