Home / 21,582.19-32,329.96-17,147.13

Finding the Fourth Proportional to 21,582.19, 32,329.96 and 17,147.13

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Solution

The fourth proportional to 21,582.19, 32,329.96 and 17,147.13 is: 25,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.19 : 32,329.96 = 17,147.13 : x
  2. Step 2: Convert to fraction form
    21,582.19/32,329.96 = 17,147.13/x
  3. Step 3: Cross multiply
    21,582.19x = 32,329.96 × 17,147.13
  4. Step 4: Simplify right side
    21,582.19x = 554,366,027.01
  5. Step 5: Solve for x
    x = 554,366,027.01/21,582.19
  6. Step 6: Final answer
    x = 25,686.27

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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.