Home / 27,341.18-40,965.60-16,789.21

Finding the Fourth Proportional to 27,341.18, 40,965.60 and 16,789.21

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Solution

The fourth proportional to 27,341.18, 40,965.60 and 16,789.21 is: 25,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,341.18 : 40,965.60 = 16,789.21 : x
  2. Step 2: Convert to fraction form
    27,341.18/40,965.60 = 16,789.21/x
  3. Step 3: Cross multiply
    27,341.18x = 40,965.60 × 16,789.21
  4. Step 4: Simplify right side
    27,341.18x = 687,779,927.28
  5. Step 5: Solve for x
    x = 687,779,927.28/27,341.18
  6. Step 6: Final answer
    x = 25,155.46

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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.