Home / 25,211.52-34,823.52-21,245.76

Finding the Fourth Proportional to 25,211.52, 34,823.52 and 21,245.76

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Solution

The fourth proportional to 25,211.52, 34,823.52 and 21,245.76 is: 29,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.52 : 34,823.52 = 21,245.76 : x
  2. Step 2: Convert to fraction form
    25,211.52/34,823.52 = 21,245.76/x
  3. Step 3: Cross multiply
    25,211.52x = 34,823.52 × 21,245.76
  4. Step 4: Simplify right side
    25,211.52x = 739,852,148.28
  5. Step 5: Solve for x
    x = 739,852,148.28/25,211.52
  6. Step 6: Final answer
    x = 29,345.80

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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.