Home / 26,875-40,308.18-19,060.12

Finding the Fourth Proportional to 26,875, 40,308.18 and 19,060.12

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Solution

The fourth proportional to 26,875, 40,308.18 and 19,060.12 is: 28,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875 : 40,308.18 = 19,060.12 : x
  2. Step 2: Convert to fraction form
    26,875/40,308.18 = 19,060.12/x
  3. Step 3: Cross multiply
    26,875x = 40,308.18 × 19,060.12
  4. Step 4: Simplify right side
    26,875x = 768,278,747.78
  5. Step 5: Solve for x
    x = 768,278,747.78/26,875
  6. Step 6: Final answer
    x = 28,587.12

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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.