Home / 26,918.27-40,332.97-15,641.95

Finding the Fourth Proportional to 26,918.27, 40,332.97 and 15,641.95

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Solution

The fourth proportional to 26,918.27, 40,332.97 and 15,641.95 is: 23,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.27 : 40,332.97 = 15,641.95 : x
  2. Step 2: Convert to fraction form
    26,918.27/40,332.97 = 15,641.95/x
  3. Step 3: Cross multiply
    26,918.27x = 40,332.97 × 15,641.95
  4. Step 4: Simplify right side
    26,918.27x = 630,886,311.40
  5. Step 5: Solve for x
    x = 630,886,311.40/26,918.27
  6. Step 6: Final answer
    x = 23,437.11

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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.