Home / 26,898.18-40,342.60-8,173.68

Finding the Fourth Proportional to 26,898.18, 40,342.60 and 8,173.68

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Solution

The fourth proportional to 26,898.18, 40,342.60 and 8,173.68 is: 12,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.18 : 40,342.60 = 8,173.68 : x
  2. Step 2: Convert to fraction form
    26,898.18/40,342.60 = 8,173.68/x
  3. Step 3: Cross multiply
    26,898.18x = 40,342.60 × 8,173.68
  4. Step 4: Simplify right side
    26,898.18x = 329,747,502.77
  5. Step 5: Solve for x
    x = 329,747,502.77/26,898.18
  6. Step 6: Final answer
    x = 12,259.10

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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.