Home / 26,758.08-40,142.34-8,988.30

Finding the Fourth Proportional to 26,758.08, 40,142.34 and 8,988.30

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Solution

The fourth proportional to 26,758.08, 40,142.34 and 8,988.30 is: 13,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.08 : 40,142.34 = 8,988.30 : x
  2. Step 2: Convert to fraction form
    26,758.08/40,142.34 = 8,988.30/x
  3. Step 3: Cross multiply
    26,758.08x = 40,142.34 × 8,988.30
  4. Step 4: Simplify right side
    26,758.08x = 360,811,394.62
  5. Step 5: Solve for x
    x = 360,811,394.62/26,758.08
  6. Step 6: Final answer
    x = 13,484.20

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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.