Home / 25,382.53-35,026.68-13,897.21

Finding the Fourth Proportional to 25,382.53, 35,026.68 and 13,897.21

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Solution

The fourth proportional to 25,382.53, 35,026.68 and 13,897.21 is: 19,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.53 : 35,026.68 = 13,897.21 : x
  2. Step 2: Convert to fraction form
    25,382.53/35,026.68 = 13,897.21/x
  3. Step 3: Cross multiply
    25,382.53x = 35,026.68 × 13,897.21
  4. Step 4: Simplify right side
    25,382.53x = 486,773,127.56
  5. Step 5: Solve for x
    x = 486,773,127.56/25,382.53
  6. Step 6: Final answer
    x = 19,177.49

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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.