Home / 26,605.76-39,915.96-7,886.72

Finding the Fourth Proportional to 26,605.76, 39,915.96 and 7,886.72

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Solution

The fourth proportional to 26,605.76, 39,915.96 and 7,886.72 is: 11,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.76 : 39,915.96 = 7,886.72 : x
  2. Step 2: Convert to fraction form
    26,605.76/39,915.96 = 7,886.72/x
  3. Step 3: Cross multiply
    26,605.76x = 39,915.96 × 7,886.72
  4. Step 4: Simplify right side
    26,605.76x = 314,806,000.05
  5. Step 5: Solve for x
    x = 314,806,000.05/26,605.76
  6. Step 6: Final answer
    x = 11,832.25

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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.