Home / 26,462.16-39,699-8,931.24

Finding the Fourth Proportional to 26,462.16, 39,699 and 8,931.24

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Solution

The fourth proportional to 26,462.16, 39,699 and 8,931.24 is: 13,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,462.16 : 39,699 = 8,931.24 : x
  2. Step 2: Convert to fraction form
    26,462.16/39,699 = 8,931.24/x
  3. Step 3: Cross multiply
    26,462.16x = 39,699 × 8,931.24
  4. Step 4: Simplify right side
    26,462.16x = 354,561,296.76
  5. Step 5: Solve for x
    x = 354,561,296.76/26,462.16
  6. Step 6: Final answer
    x = 13,398.80

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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.