Home / 26,838.60-40,269.29-14,355.38

Finding the Fourth Proportional to 26,838.60, 40,269.29 and 14,355.38

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Solution

The fourth proportional to 26,838.60, 40,269.29 and 14,355.38 is: 21,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.60 : 40,269.29 = 14,355.38 : x
  2. Step 2: Convert to fraction form
    26,838.60/40,269.29 = 14,355.38/x
  3. Step 3: Cross multiply
    26,838.60x = 40,269.29 × 14,355.38
  4. Step 4: Simplify right side
    26,838.60x = 578,080,687.16
  5. Step 5: Solve for x
    x = 578,080,687.16/26,838.60
  6. Step 6: Final answer
    x = 21,539.15

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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.