Home / 25,841.13-38,770.89-12,702.72

Finding the Fourth Proportional to 25,841.13, 38,770.89 and 12,702.72

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Solution

The fourth proportional to 25,841.13, 38,770.89 and 12,702.72 is: 19,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.13 : 38,770.89 = 12,702.72 : x
  2. Step 2: Convert to fraction form
    25,841.13/38,770.89 = 12,702.72/x
  3. Step 3: Cross multiply
    25,841.13x = 38,770.89 × 12,702.72
  4. Step 4: Simplify right side
    25,841.13x = 492,495,857.58
  5. Step 5: Solve for x
    x = 492,495,857.58/25,841.13
  6. Step 6: Final answer
    x = 19,058.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.