Home / 25,554.27-35,257.83-15,342.68

Finding the Fourth Proportional to 25,554.27, 35,257.83 and 15,342.68

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Solution

The fourth proportional to 25,554.27, 35,257.83 and 15,342.68 is: 21,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.27 : 35,257.83 = 15,342.68 : x
  2. Step 2: Convert to fraction form
    25,554.27/35,257.83 = 15,342.68/x
  3. Step 3: Cross multiply
    25,554.27x = 35,257.83 × 15,342.68
  4. Step 4: Simplify right side
    25,554.27x = 540,949,426.90
  5. Step 5: Solve for x
    x = 540,949,426.90/25,554.27
  6. Step 6: Final answer
    x = 21,168.65

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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.