Home / 29,244.75-40,357.72-15,815.89

Finding the Fourth Proportional to 29,244.75, 40,357.72 and 15,815.89

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Solution

The fourth proportional to 29,244.75, 40,357.72 and 15,815.89 is: 21,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,244.75 : 40,357.72 = 15,815.89 : x
  2. Step 2: Convert to fraction form
    29,244.75/40,357.72 = 15,815.89/x
  3. Step 3: Cross multiply
    29,244.75x = 40,357.72 × 15,815.89
  4. Step 4: Simplify right side
    29,244.75x = 638,293,260.17
  5. Step 5: Solve for x
    x = 638,293,260.17/29,244.75
  6. Step 6: Final answer
    x = 21,825.91

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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.