Home / 25,158.25-34,721.51-14,547.80

Finding the Fourth Proportional to 25,158.25, 34,721.51 and 14,547.80

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Solution

The fourth proportional to 25,158.25, 34,721.51 and 14,547.80 is: 20,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.25 : 34,721.51 = 14,547.80 : x
  2. Step 2: Convert to fraction form
    25,158.25/34,721.51 = 14,547.80/x
  3. Step 3: Cross multiply
    25,158.25x = 34,721.51 × 14,547.80
  4. Step 4: Simplify right side
    25,158.25x = 505,121,679.07
  5. Step 5: Solve for x
    x = 505,121,679.07/25,158.25
  6. Step 6: Final answer
    x = 20,077.78

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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.