Home / 27,214.40-40,821.60-15,528.80

Finding the Fourth Proportional to 27,214.40, 40,821.60 and 15,528.80

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Solution

The fourth proportional to 27,214.40, 40,821.60 and 15,528.80 is: 23,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,214.40 : 40,821.60 = 15,528.80 : x
  2. Step 2: Convert to fraction form
    27,214.40/40,821.60 = 15,528.80/x
  3. Step 3: Cross multiply
    27,214.40x = 40,821.60 × 15,528.80
  4. Step 4: Simplify right side
    27,214.40x = 633,910,462.08
  5. Step 5: Solve for x
    x = 633,910,462.08/27,214.40
  6. Step 6: Final answer
    x = 23,293.20

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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.