Home / 21,965.27-32,947.61-5,325.45

Finding the Fourth Proportional to 21,965.27, 32,947.61 and 5,325.45

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Solution

The fourth proportional to 21,965.27, 32,947.61 and 5,325.45 is: 7,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.27 : 32,947.61 = 5,325.45 : x
  2. Step 2: Convert to fraction form
    21,965.27/32,947.61 = 5,325.45/x
  3. Step 3: Cross multiply
    21,965.27x = 32,947.61 × 5,325.45
  4. Step 4: Simplify right side
    21,965.27x = 175,460,849.67
  5. Step 5: Solve for x
    x = 175,460,849.67/21,965.27
  6. Step 6: Final answer
    x = 7,988.10

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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.