Home / 26,089.20-39,140.28-12,222

Finding the Fourth Proportional to 26,089.20, 39,140.28 and 12,222

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Solution

The fourth proportional to 26,089.20, 39,140.28 and 12,222 is: 18,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.20 : 39,140.28 = 12,222 : x
  2. Step 2: Convert to fraction form
    26,089.20/39,140.28 = 12,222/x
  3. Step 3: Cross multiply
    26,089.20x = 39,140.28 × 12,222
  4. Step 4: Simplify right side
    26,089.20x = 478,372,502.16
  5. Step 5: Solve for x
    x = 478,372,502.16/26,089.20
  6. Step 6: Final answer
    x = 18,336.04

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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.