Home / 25,818.60-35,637.30-15,211.66

Finding the Fourth Proportional to 25,818.60, 35,637.30 and 15,211.66

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Solution

The fourth proportional to 25,818.60, 35,637.30 and 15,211.66 is: 20,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.60 : 35,637.30 = 15,211.66 : x
  2. Step 2: Convert to fraction form
    25,818.60/35,637.30 = 15,211.66/x
  3. Step 3: Cross multiply
    25,818.60x = 35,637.30 × 15,211.66
  4. Step 4: Simplify right side
    25,818.60x = 542,102,490.92
  5. Step 5: Solve for x
    x = 542,102,490.92/25,818.60
  6. Step 6: Final answer
    x = 20,996.59

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1.5x scale

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.