Home / 27,765.15-41,565.92-17,875.05

Finding the Fourth Proportional to 27,765.15, 41,565.92 and 17,875.05

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Solution

The fourth proportional to 27,765.15, 41,565.92 and 17,875.05 is: 26,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.15 : 41,565.92 = 17,875.05 : x
  2. Step 2: Convert to fraction form
    27,765.15/41,565.92 = 17,875.05/x
  3. Step 3: Cross multiply
    27,765.15x = 41,565.92 × 17,875.05
  4. Step 4: Simplify right side
    27,765.15x = 742,992,808.92
  5. Step 5: Solve for x
    x = 742,992,808.92/27,765.15
  6. Step 6: Final answer
    x = 26,759.91

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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.