Home / 17,585.20-24,278.90-15,693.54

Finding the Fourth Proportional to 17,585.20, 24,278.90 and 15,693.54

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Solution

The fourth proportional to 17,585.20, 24,278.90 and 15,693.54 is: 21,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.20 : 24,278.90 = 15,693.54 : x
  2. Step 2: Convert to fraction form
    17,585.20/24,278.90 = 15,693.54/x
  3. Step 3: Cross multiply
    17,585.20x = 24,278.90 × 15,693.54
  4. Step 4: Simplify right side
    17,585.20x = 381,021,888.31
  5. Step 5: Solve for x
    x = 381,021,888.31/17,585.20
  6. Step 6: Final answer
    x = 21,667.19

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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.