Home / 26,130.40-39,247.92-21,459.04

Finding the Fourth Proportional to 26,130.40, 39,247.92 and 21,459.04

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Solution

The fourth proportional to 26,130.40, 39,247.92 and 21,459.04 is: 32,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.40 : 39,247.92 = 21,459.04 : x
  2. Step 2: Convert to fraction form
    26,130.40/39,247.92 = 21,459.04/x
  3. Step 3: Cross multiply
    26,130.40x = 39,247.92 × 21,459.04
  4. Step 4: Simplify right side
    26,130.40x = 842,222,685.20
  5. Step 5: Solve for x
    x = 842,222,685.20/26,130.40
  6. Step 6: Final answer
    x = 32,231.53

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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.