Home / 26,150.60-39,161.10-20,966.60

Finding the Fourth Proportional to 26,150.60, 39,161.10 and 20,966.60

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Solution

The fourth proportional to 26,150.60, 39,161.10 and 20,966.60 is: 31,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.60 : 39,161.10 = 20,966.60 : x
  2. Step 2: Convert to fraction form
    26,150.60/39,161.10 = 20,966.60/x
  3. Step 3: Cross multiply
    26,150.60x = 39,161.10 × 20,966.60
  4. Step 4: Simplify right side
    26,150.60x = 821,075,119.26
  5. Step 5: Solve for x
    x = 821,075,119.26/26,150.60
  6. Step 6: Final answer
    x = 31,397.95

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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.