Home / 20,722.48-28,587.20-14,010.41

Finding the Fourth Proportional to 20,722.48, 28,587.20 and 14,010.41

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Solution

The fourth proportional to 20,722.48, 28,587.20 and 14,010.41 is: 19,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.48 : 28,587.20 = 14,010.41 : x
  2. Step 2: Convert to fraction form
    20,722.48/28,587.20 = 14,010.41/x
  3. Step 3: Cross multiply
    20,722.48x = 28,587.20 × 14,010.41
  4. Step 4: Simplify right side
    20,722.48x = 400,518,394.17
  5. Step 5: Solve for x
    x = 400,518,394.17/20,722.48
  6. Step 6: Final answer
    x = 19,327.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.