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Finding the Fourth Proportional to 25,655.67, 35,404.29 and 14,324.85

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Solution

The fourth proportional to 25,655.67, 35,404.29 and 14,324.85 is: 19,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.67 : 35,404.29 = 14,324.85 : x
  2. Step 2: Convert to fraction form
    25,655.67/35,404.29 = 14,324.85/x
  3. Step 3: Cross multiply
    25,655.67x = 35,404.29 × 14,324.85
  4. Step 4: Simplify right side
    25,655.67x = 507,161,143.61
  5. Step 5: Solve for x
    x = 507,161,143.61/25,655.67
  6. Step 6: Final answer
    x = 19,767.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.