Home / 25,266.28-34,867.12-14,657.72

Finding the Fourth Proportional to 25,266.28, 34,867.12 and 14,657.72

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Solution

The fourth proportional to 25,266.28, 34,867.12 and 14,657.72 is: 20,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.28 : 34,867.12 = 14,657.72 : x
  2. Step 2: Convert to fraction form
    25,266.28/34,867.12 = 14,657.72/x
  3. Step 3: Cross multiply
    25,266.28x = 34,867.12 × 14,657.72
  4. Step 4: Simplify right side
    25,266.28x = 511,072,482.17
  5. Step 5: Solve for x
    x = 511,072,482.17/25,266.28
  6. Step 6: Final answer
    x = 20,227.45

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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.