Home / 25,717.66-35,493.65-14,387.78

Finding the Fourth Proportional to 25,717.66, 35,493.65 and 14,387.78

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Solution

The fourth proportional to 25,717.66, 35,493.65 and 14,387.78 is: 19,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.66 : 35,493.65 = 14,387.78 : x
  2. Step 2: Convert to fraction form
    25,717.66/35,493.65 = 14,387.78/x
  3. Step 3: Cross multiply
    25,717.66x = 35,493.65 × 14,387.78
  4. Step 4: Simplify right side
    25,717.66x = 510,674,755.66
  5. Step 5: Solve for x
    x = 510,674,755.66/25,717.66
  6. Step 6: Final answer
    x = 19,856.97

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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.