Home / 26,855.76-40,277.55-10,209.87

Finding the Fourth Proportional to 26,855.76, 40,277.55 and 10,209.87

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Solution

The fourth proportional to 26,855.76, 40,277.55 and 10,209.87 is: 15,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.76 : 40,277.55 = 10,209.87 : x
  2. Step 2: Convert to fraction form
    26,855.76/40,277.55 = 10,209.87/x
  3. Step 3: Cross multiply
    26,855.76x = 40,277.55 × 10,209.87
  4. Step 4: Simplify right side
    26,855.76x = 411,228,549.42
  5. Step 5: Solve for x
    x = 411,228,549.42/26,855.76
  6. Step 6: Final answer
    x = 15,312.49

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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.