Home / 26,962.40-40,432.80-9,423.20

Finding the Fourth Proportional to 26,962.40, 40,432.80 and 9,423.20

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Solution

The fourth proportional to 26,962.40, 40,432.80 and 9,423.20 is: 14,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,962.40 : 40,432.80 = 9,423.20 : x
  2. Step 2: Convert to fraction form
    26,962.40/40,432.80 = 9,423.20/x
  3. Step 3: Cross multiply
    26,962.40x = 40,432.80 × 9,423.20
  4. Step 4: Simplify right side
    26,962.40x = 381,006,360.96
  5. Step 5: Solve for x
    x = 381,006,360.96/26,962.40
  6. Step 6: Final answer
    x = 14,131.03

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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.