Home / 21,411.13-32,117.09-5,828.75

Finding the Fourth Proportional to 21,411.13, 32,117.09 and 5,828.75

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Solution

The fourth proportional to 21,411.13, 32,117.09 and 5,828.75 is: 8,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.13 : 32,117.09 = 5,828.75 : x
  2. Step 2: Convert to fraction form
    21,411.13/32,117.09 = 5,828.75/x
  3. Step 3: Cross multiply
    21,411.13x = 32,117.09 × 5,828.75
  4. Step 4: Simplify right side
    21,411.13x = 187,202,488.34
  5. Step 5: Solve for x
    x = 187,202,488.34/21,411.13
  6. Step 6: Final answer
    x = 8,743.23

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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.