Home / 26,915.12-40,374.09-8,193.72

Finding the Fourth Proportional to 26,915.12, 40,374.09 and 8,193.72

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Solution

The fourth proportional to 26,915.12, 40,374.09 and 8,193.72 is: 12,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.12 : 40,374.09 = 8,193.72 : x
  2. Step 2: Convert to fraction form
    26,915.12/40,374.09 = 8,193.72/x
  3. Step 3: Cross multiply
    26,915.12x = 40,374.09 × 8,193.72
  4. Step 4: Simplify right side
    26,915.12x = 330,813,988.71
  5. Step 5: Solve for x
    x = 330,813,988.71/26,915.12
  6. Step 6: Final answer
    x = 12,291.01

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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.