Home / 26,881.26-40,331-13,730.10

Finding the Fourth Proportional to 26,881.26, 40,331 and 13,730.10

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Solution

The fourth proportional to 26,881.26, 40,331 and 13,730.10 is: 20,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.26 : 40,331 = 13,730.10 : x
  2. Step 2: Convert to fraction form
    26,881.26/40,331 = 13,730.10/x
  3. Step 3: Cross multiply
    26,881.26x = 40,331 × 13,730.10
  4. Step 4: Simplify right side
    26,881.26x = 553,748,663.10
  5. Step 5: Solve for x
    x = 553,748,663.10/26,881.26
  6. Step 6: Final answer
    x = 20,599.80

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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.