Home / 26,042.90-39,066.17-12,891.74

Finding the Fourth Proportional to 26,042.90, 39,066.17 and 12,891.74

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Solution

The fourth proportional to 26,042.90, 39,066.17 and 12,891.74 is: 19,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.90 : 39,066.17 = 12,891.74 : x
  2. Step 2: Convert to fraction form
    26,042.90/39,066.17 = 12,891.74/x
  3. Step 3: Cross multiply
    26,042.90x = 39,066.17 × 12,891.74
  4. Step 4: Simplify right side
    26,042.90x = 503,630,646.65
  5. Step 5: Solve for x
    x = 503,630,646.65/26,042.90
  6. Step 6: Final answer
    x = 19,338.50

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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.