Home / 20,587.73-30,807.78-17,823.91

Finding the Fourth Proportional to 20,587.73, 30,807.78 and 17,823.91

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Solution

The fourth proportional to 20,587.73, 30,807.78 and 17,823.91 is: 26,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.73 : 30,807.78 = 17,823.91 : x
  2. Step 2: Convert to fraction form
    20,587.73/30,807.78 = 17,823.91/x
  3. Step 3: Cross multiply
    20,587.73x = 30,807.78 × 17,823.91
  4. Step 4: Simplify right side
    20,587.73x = 549,115,098.02
  5. Step 5: Solve for x
    x = 549,115,098.02/20,587.73
  6. Step 6: Final answer
    x = 26,671.96

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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.