Home / 25,915.56-38,873.34-12,057

Finding the Fourth Proportional to 25,915.56, 38,873.34 and 12,057

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Solution

The fourth proportional to 25,915.56, 38,873.34 and 12,057 is: 18,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.56 : 38,873.34 = 12,057 : x
  2. Step 2: Convert to fraction form
    25,915.56/38,873.34 = 12,057/x
  3. Step 3: Cross multiply
    25,915.56x = 38,873.34 × 12,057
  4. Step 4: Simplify right side
    25,915.56x = 468,695,860.38
  5. Step 5: Solve for x
    x = 468,695,860.38/25,915.56
  6. Step 6: Final answer
    x = 18,085.50

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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.