Home / 27,228.60-40,788.24-12,417.15

Finding the Fourth Proportional to 27,228.60, 40,788.24 and 12,417.15

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Solution

The fourth proportional to 27,228.60, 40,788.24 and 12,417.15 is: 18,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.60 : 40,788.24 = 12,417.15 : x
  2. Step 2: Convert to fraction form
    27,228.60/40,788.24 = 12,417.15/x
  3. Step 3: Cross multiply
    27,228.60x = 40,788.24 × 12,417.15
  4. Step 4: Simplify right side
    27,228.60x = 506,473,694.32
  5. Step 5: Solve for x
    x = 506,473,694.32/27,228.60
  6. Step 6: Final answer
    x = 18,600.80

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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.