Home / 26,638.59-39,957.90-6,915.49

Finding the Fourth Proportional to 26,638.59, 39,957.90 and 6,915.49

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Solution

The fourth proportional to 26,638.59, 39,957.90 and 6,915.49 is: 10,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.59 : 39,957.90 = 6,915.49 : x
  2. Step 2: Convert to fraction form
    26,638.59/39,957.90 = 6,915.49/x
  3. Step 3: Cross multiply
    26,638.59x = 39,957.90 × 6,915.49
  4. Step 4: Simplify right side
    26,638.59x = 276,328,457.87
  5. Step 5: Solve for x
    x = 276,328,457.87/26,638.59
  6. Step 6: Final answer
    x = 10,373.24

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Double scale
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Similar ratio
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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.