Home / 25,890.41-38,827.29-8,356.16

Finding the Fourth Proportional to 25,890.41, 38,827.29 and 8,356.16

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Solution

The fourth proportional to 25,890.41, 38,827.29 and 8,356.16 is: 12,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.41 : 38,827.29 = 8,356.16 : x
  2. Step 2: Convert to fraction form
    25,890.41/38,827.29 = 8,356.16/x
  3. Step 3: Cross multiply
    25,890.41x = 38,827.29 × 8,356.16
  4. Step 4: Simplify right side
    25,890.41x = 324,447,047.61
  5. Step 5: Solve for x
    x = 324,447,047.61/25,890.41
  6. Step 6: Final answer
    x = 12,531.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.