Home / 26,885.43-40,319.50-8,869.60

Finding the Fourth Proportional to 26,885.43, 40,319.50 and 8,869.60

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Solution

The fourth proportional to 26,885.43, 40,319.50 and 8,869.60 is: 13,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.43 : 40,319.50 = 8,869.60 : x
  2. Step 2: Convert to fraction form
    26,885.43/40,319.50 = 8,869.60/x
  3. Step 3: Cross multiply
    26,885.43x = 40,319.50 × 8,869.60
  4. Step 4: Simplify right side
    26,885.43x = 357,617,913.24
  5. Step 5: Solve for x
    x = 357,617,913.24/26,885.43
  6. Step 6: Final answer
    x = 13,301.55

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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.