Home / 21,568.07-32,352.10-9,881.29

Finding the Fourth Proportional to 21,568.07, 32,352.10 and 9,881.29

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Solution

The fourth proportional to 21,568.07, 32,352.10 and 9,881.29 is: 14,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.07 : 32,352.10 = 9,881.29 : x
  2. Step 2: Convert to fraction form
    21,568.07/32,352.10 = 9,881.29/x
  3. Step 3: Cross multiply
    21,568.07x = 32,352.10 × 9,881.29
  4. Step 4: Simplify right side
    21,568.07x = 319,680,320.45
  5. Step 5: Solve for x
    x = 319,680,320.45/21,568.07
  6. Step 6: Final answer
    x = 14,821.93

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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.