Home / 21,827.22-32,740.86-14,430.18

Finding the Fourth Proportional to 21,827.22, 32,740.86 and 14,430.18

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Solution

The fourth proportional to 21,827.22, 32,740.86 and 14,430.18 is: 21,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.22 : 32,740.86 = 14,430.18 : x
  2. Step 2: Convert to fraction form
    21,827.22/32,740.86 = 14,430.18/x
  3. Step 3: Cross multiply
    21,827.22x = 32,740.86 × 14,430.18
  4. Step 4: Simplify right side
    21,827.22x = 472,456,503.15
  5. Step 5: Solve for x
    x = 472,456,503.15/21,827.22
  6. Step 6: Final answer
    x = 21,645.29

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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.