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Finding the Fourth Proportional to 26,373.40, 39,551.90 and 8,839.13

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Solution

The fourth proportional to 26,373.40, 39,551.90 and 8,839.13 is: 13,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,373.40 : 39,551.90 = 8,839.13 : x
  2. Step 2: Convert to fraction form
    26,373.40/39,551.90 = 8,839.13/x
  3. Step 3: Cross multiply
    26,373.40x = 39,551.90 × 8,839.13
  4. Step 4: Simplify right side
    26,373.40x = 349,604,143.89
  5. Step 5: Solve for x
    x = 349,604,143.89/26,373.40
  6. Step 6: Final answer
    x = 13,255.94

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1.5x scale

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.