Home / 21,588.80-32,341.66-13,244.45

Finding the Fourth Proportional to 21,588.80, 32,341.66 and 13,244.45

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Solution

The fourth proportional to 21,588.80, 32,341.66 and 13,244.45 is: 19,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.80 : 32,341.66 = 13,244.45 : x
  2. Step 2: Convert to fraction form
    21,588.80/32,341.66 = 13,244.45/x
  3. Step 3: Cross multiply
    21,588.80x = 32,341.66 × 13,244.45
  4. Step 4: Simplify right side
    21,588.80x = 428,347,546.53
  5. Step 5: Solve for x
    x = 428,347,546.53/21,588.80
  6. Step 6: Final answer
    x = 19,841.19

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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.