Home / 25,420.94-35,079.39-14,242.70

Finding the Fourth Proportional to 25,420.94, 35,079.39 and 14,242.70

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Solution

The fourth proportional to 25,420.94, 35,079.39 and 14,242.70 is: 19,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.94 : 35,079.39 = 14,242.70 : x
  2. Step 2: Convert to fraction form
    25,420.94/35,079.39 = 14,242.70/x
  3. Step 3: Cross multiply
    25,420.94x = 35,079.39 × 14,242.70
  4. Step 4: Simplify right side
    25,420.94x = 499,625,227.95
  5. Step 5: Solve for x
    x = 499,625,227.95/25,420.94
  6. Step 6: Final answer
    x = 19,654.08

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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.