Home / 38,309.76-57,423.96-18,561.24

Finding the Fourth Proportional to 38,309.76, 57,423.96 and 18,561.24

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Solution

The fourth proportional to 38,309.76, 57,423.96 and 18,561.24 is: 27,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.76 : 57,423.96 = 18,561.24 : x
  2. Step 2: Convert to fraction form
    38,309.76/57,423.96 = 18,561.24/x
  3. Step 3: Cross multiply
    38,309.76x = 57,423.96 × 18,561.24
  4. Step 4: Simplify right side
    38,309.76x = 1,065,859,903.31
  5. Step 5: Solve for x
    x = 1,065,859,903.31/38,309.76
  6. Step 6: Final answer
    x = 27,822.15

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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.