Home / 26,412.80-39,617.24-9,765.05

Finding the Fourth Proportional to 26,412.80, 39,617.24 and 9,765.05

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Solution

The fourth proportional to 26,412.80, 39,617.24 and 9,765.05 is: 14,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.80 : 39,617.24 = 9,765.05 : x
  2. Step 2: Convert to fraction form
    26,412.80/39,617.24 = 9,765.05/x
  3. Step 3: Cross multiply
    26,412.80x = 39,617.24 × 9,765.05
  4. Step 4: Simplify right side
    26,412.80x = 386,864,082.55
  5. Step 5: Solve for x
    x = 386,864,082.55/26,412.80
  6. Step 6: Final answer
    x = 14,646.84

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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.