Home / 27,204.80-40,807.20-17,873.60

Finding the Fourth Proportional to 27,204.80, 40,807.20 and 17,873.60

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Solution

The fourth proportional to 27,204.80, 40,807.20 and 17,873.60 is: 26,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,204.80 : 40,807.20 = 17,873.60 : x
  2. Step 2: Convert to fraction form
    27,204.80/40,807.20 = 17,873.60/x
  3. Step 3: Cross multiply
    27,204.80x = 40,807.20 × 17,873.60
  4. Step 4: Simplify right side
    27,204.80x = 729,371,569.92
  5. Step 5: Solve for x
    x = 729,371,569.92/27,204.80
  6. Step 6: Final answer
    x = 26,810.40

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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.