Home / 26,856.11-40,280.99-7,136.18

Finding the Fourth Proportional to 26,856.11, 40,280.99 and 7,136.18

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Solution

The fourth proportional to 26,856.11, 40,280.99 and 7,136.18 is: 10,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.11 : 40,280.99 = 7,136.18 : x
  2. Step 2: Convert to fraction form
    26,856.11/40,280.99 = 7,136.18/x
  3. Step 3: Cross multiply
    26,856.11x = 40,280.99 × 7,136.18
  4. Step 4: Simplify right side
    26,856.11x = 287,452,158.13
  5. Step 5: Solve for x
    x = 287,452,158.13/26,856.11
  6. Step 6: Final answer
    x = 10,703.42

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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.