Home / 26,570.10-39,811.40-18,565.68

Finding the Fourth Proportional to 26,570.10, 39,811.40 and 18,565.68

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Solution

The fourth proportional to 26,570.10, 39,811.40 and 18,565.68 is: 27,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.10 : 39,811.40 = 18,565.68 : x
  2. Step 2: Convert to fraction form
    26,570.10/39,811.40 = 18,565.68/x
  3. Step 3: Cross multiply
    26,570.10x = 39,811.40 × 18,565.68
  4. Step 4: Simplify right side
    26,570.10x = 739,125,712.75
  5. Step 5: Solve for x
    x = 739,125,712.75/26,570.10
  6. Step 6: Final answer
    x = 27,817.95

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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.