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Finding the Fourth Proportional to 25,374, 35,016.12 and 14,196

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Solution

The fourth proportional to 25,374, 35,016.12 and 14,196 is: 19,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374 : 35,016.12 = 14,196 : x
  2. Step 2: Convert to fraction form
    25,374/35,016.12 = 14,196/x
  3. Step 3: Cross multiply
    25,374x = 35,016.12 × 14,196
  4. Step 4: Simplify right side
    25,374x = 497,088,839.52
  5. Step 5: Solve for x
    x = 497,088,839.52/25,374
  6. Step 6: Final answer
    x = 19,590.48

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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.