Home / 26,388.60-36,373.50-20,635.98

Finding the Fourth Proportional to 26,388.60, 36,373.50 and 20,635.98

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Solution

The fourth proportional to 26,388.60, 36,373.50 and 20,635.98 is: 28,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.60 : 36,373.50 = 20,635.98 : x
  2. Step 2: Convert to fraction form
    26,388.60/36,373.50 = 20,635.98/x
  3. Step 3: Cross multiply
    26,388.60x = 36,373.50 × 20,635.98
  4. Step 4: Simplify right side
    26,388.60x = 750,602,818.53
  5. Step 5: Solve for x
    x = 750,602,818.53/26,388.60
  6. Step 6: Final answer
    x = 28,444.21

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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.