Home / 23,081.40-31,852.17-13,649.76

Finding the Fourth Proportional to 23,081.40, 31,852.17 and 13,649.76

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Solution

The fourth proportional to 23,081.40, 31,852.17 and 13,649.76 is: 18,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.40 : 31,852.17 = 13,649.76 : x
  2. Step 2: Convert to fraction form
    23,081.40/31,852.17 = 13,649.76/x
  3. Step 3: Cross multiply
    23,081.40x = 31,852.17 × 13,649.76
  4. Step 4: Simplify right side
    23,081.40x = 434,774,475.98
  5. Step 5: Solve for x
    x = 434,774,475.98/23,081.40
  6. Step 6: Final answer
    x = 18,836.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.