Home / 28,853.10-43,291.80-15,714.90

Finding the Fourth Proportional to 28,853.10, 43,291.80 and 15,714.90

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Solution

The fourth proportional to 28,853.10, 43,291.80 and 15,714.90 is: 23,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.10 : 43,291.80 = 15,714.90 : x
  2. Step 2: Convert to fraction form
    28,853.10/43,291.80 = 15,714.90/x
  3. Step 3: Cross multiply
    28,853.10x = 43,291.80 × 15,714.90
  4. Step 4: Simplify right side
    28,853.10x = 680,326,307.82
  5. Step 5: Solve for x
    x = 680,326,307.82/28,853.10
  6. Step 6: Final answer
    x = 23,578.97

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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.