Home / 24,715.98-34,080.72-15,749.28

Finding the Fourth Proportional to 24,715.98, 34,080.72 and 15,749.28

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Solution

The fourth proportional to 24,715.98, 34,080.72 and 15,749.28 is: 21,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,715.98 : 34,080.72 = 15,749.28 : x
  2. Step 2: Convert to fraction form
    24,715.98/34,080.72 = 15,749.28/x
  3. Step 3: Cross multiply
    24,715.98x = 34,080.72 × 15,749.28
  4. Step 4: Simplify right side
    24,715.98x = 536,746,801.88
  5. Step 5: Solve for x
    x = 536,746,801.88/24,715.98
  6. Step 6: Final answer
    x = 21,716.59

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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.