Home / 25,678.89-38,522.55-8,152.92

Finding the Fourth Proportional to 25,678.89, 38,522.55 and 8,152.92

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Solution

The fourth proportional to 25,678.89, 38,522.55 and 8,152.92 is: 12,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.89 : 38,522.55 = 8,152.92 : x
  2. Step 2: Convert to fraction form
    25,678.89/38,522.55 = 8,152.92/x
  3. Step 3: Cross multiply
    25,678.89x = 38,522.55 × 8,152.92
  4. Step 4: Simplify right side
    25,678.89x = 314,071,268.35
  5. Step 5: Solve for x
    x = 314,071,268.35/25,678.89
  6. Step 6: Final answer
    x = 12,230.72

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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.