Home / 26,420.80-39,631.20-17,593.60

Finding the Fourth Proportional to 26,420.80, 39,631.20 and 17,593.60

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Solution

The fourth proportional to 26,420.80, 39,631.20 and 17,593.60 is: 26,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.80 : 39,631.20 = 17,593.60 : x
  2. Step 2: Convert to fraction form
    26,420.80/39,631.20 = 17,593.60/x
  3. Step 3: Cross multiply
    26,420.80x = 39,631.20 × 17,593.60
  4. Step 4: Simplify right side
    26,420.80x = 697,255,480.32
  5. Step 5: Solve for x
    x = 697,255,480.32/26,420.80
  6. Step 6: Final answer
    x = 26,390.40

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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.