Home / 15,728.96-23,460.58-14,815.28

Finding the Fourth Proportional to 15,728.96, 23,460.58 and 14,815.28

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Solution

The fourth proportional to 15,728.96, 23,460.58 and 14,815.28 is: 22,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.96 : 23,460.58 = 14,815.28 : x
  2. Step 2: Convert to fraction form
    15,728.96/23,460.58 = 14,815.28/x
  3. Step 3: Cross multiply
    15,728.96x = 23,460.58 × 14,815.28
  4. Step 4: Simplify right side
    15,728.96x = 347,575,061.66
  5. Step 5: Solve for x
    x = 347,575,061.66/15,728.96
  6. Step 6: Final answer
    x = 22,097.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.