Home / 27,085.76-40,633.72-12,295.71

Finding the Fourth Proportional to 27,085.76, 40,633.72 and 12,295.71

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Solution

The fourth proportional to 27,085.76, 40,633.72 and 12,295.71 is: 18,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.76 : 40,633.72 = 12,295.71 : x
  2. Step 2: Convert to fraction form
    27,085.76/40,633.72 = 12,295.71/x
  3. Step 3: Cross multiply
    27,085.76x = 40,633.72 × 12,295.71
  4. Step 4: Simplify right side
    27,085.76x = 499,620,437.34
  5. Step 5: Solve for x
    x = 499,620,437.34/27,085.76
  6. Step 6: Final answer
    x = 18,445.87

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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.