Home / 25,009.12-34,502.73-15,432.32

Finding the Fourth Proportional to 25,009.12, 34,502.73 and 15,432.32

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Solution

The fourth proportional to 25,009.12, 34,502.73 and 15,432.32 is: 21,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.12 : 34,502.73 = 15,432.32 : x
  2. Step 2: Convert to fraction form
    25,009.12/34,502.73 = 15,432.32/x
  3. Step 3: Cross multiply
    25,009.12x = 34,502.73 × 15,432.32
  4. Step 4: Simplify right side
    25,009.12x = 532,457,198.62
  5. Step 5: Solve for x
    x = 532,457,198.62/25,009.12
  6. Step 6: Final answer
    x = 21,290.52

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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.