Home / 29,305.67-40,441.76-15,877.28

Finding the Fourth Proportional to 29,305.67, 40,441.76 and 15,877.28

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Solution

The fourth proportional to 29,305.67, 40,441.76 and 15,877.28 is: 21,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.67 : 40,441.76 = 15,877.28 : x
  2. Step 2: Convert to fraction form
    29,305.67/40,441.76 = 15,877.28/x
  3. Step 3: Cross multiply
    29,305.67x = 40,441.76 × 15,877.28
  4. Step 4: Simplify right side
    29,305.67x = 642,105,248.32
  5. Step 5: Solve for x
    x = 642,105,248.32/29,305.67
  6. Step 6: Final answer
    x = 21,910.62

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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.