Home / 28,240.22-42,345.18-9,514.05

Finding the Fourth Proportional to 28,240.22, 42,345.18 and 9,514.05

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Solution

The fourth proportional to 28,240.22, 42,345.18 and 9,514.05 is: 14,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.22 : 42,345.18 = 9,514.05 : x
  2. Step 2: Convert to fraction form
    28,240.22/42,345.18 = 9,514.05/x
  3. Step 3: Cross multiply
    28,240.22x = 42,345.18 × 9,514.05
  4. Step 4: Simplify right side
    28,240.22x = 402,874,159.78
  5. Step 5: Solve for x
    x = 402,874,159.78/28,240.22
  6. Step 6: Final answer
    x = 14,265.97

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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.