Home / 25,691.12-35,450.89-14,513.12

Finding the Fourth Proportional to 25,691.12, 35,450.89 and 14,513.12

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Solution

The fourth proportional to 25,691.12, 35,450.89 and 14,513.12 is: 20,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.12 : 35,450.89 = 14,513.12 : x
  2. Step 2: Convert to fraction form
    25,691.12/35,450.89 = 14,513.12/x
  3. Step 3: Cross multiply
    25,691.12x = 35,450.89 × 14,513.12
  4. Step 4: Simplify right side
    25,691.12x = 514,502,807.14
  5. Step 5: Solve for x
    x = 514,502,807.14/25,691.12
  6. Step 6: Final answer
    x = 20,026.49

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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.