Home / 25,275.48-34,876.80-14,663.58

Finding the Fourth Proportional to 25,275.48, 34,876.80 and 14,663.58

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Solution

The fourth proportional to 25,275.48, 34,876.80 and 14,663.58 is: 20,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.48 : 34,876.80 = 14,663.58 : x
  2. Step 2: Convert to fraction form
    25,275.48/34,876.80 = 14,663.58/x
  3. Step 3: Cross multiply
    25,275.48x = 34,876.80 × 14,663.58
  4. Step 4: Simplify right side
    25,275.48x = 511,418,746.94
  5. Step 5: Solve for x
    x = 511,418,746.94/25,275.48
  6. Step 6: Final answer
    x = 20,233.79

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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.