Home / 27,290.10-40,869.39-15,567.78

Finding the Fourth Proportional to 27,290.10, 40,869.39 and 15,567.78

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Solution

The fourth proportional to 27,290.10, 40,869.39 and 15,567.78 is: 23,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.10 : 40,869.39 = 15,567.78 : x
  2. Step 2: Convert to fraction form
    27,290.10/40,869.39 = 15,567.78/x
  3. Step 3: Cross multiply
    27,290.10x = 40,869.39 × 15,567.78
  4. Step 4: Simplify right side
    27,290.10x = 636,245,672.25
  5. Step 5: Solve for x
    x = 636,245,672.25/27,290.10
  6. Step 6: Final answer
    x = 23,314.16

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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.