Home / 27,280.33-40,854.78-18,488.59

Finding the Fourth Proportional to 27,280.33, 40,854.78 and 18,488.59

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Solution

The fourth proportional to 27,280.33, 40,854.78 and 18,488.59 is: 27,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.33 : 40,854.78 = 18,488.59 : x
  2. Step 2: Convert to fraction form
    27,280.33/40,854.78 = 18,488.59/x
  3. Step 3: Cross multiply
    27,280.33x = 40,854.78 × 18,488.59
  4. Step 4: Simplify right side
    27,280.33x = 755,346,980.24
  5. Step 5: Solve for x
    x = 755,346,980.24/27,280.33
  6. Step 6: Final answer
    x = 27,688.34

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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.