Home / 21,528.18-32,294.12-5,945.81

Finding the Fourth Proportional to 21,528.18, 32,294.12 and 5,945.81

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Solution

The fourth proportional to 21,528.18, 32,294.12 and 5,945.81 is: 8,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.18 : 32,294.12 = 5,945.81 : x
  2. Step 2: Convert to fraction form
    21,528.18/32,294.12 = 5,945.81/x
  3. Step 3: Cross multiply
    21,528.18x = 32,294.12 × 5,945.81
  4. Step 4: Simplify right side
    21,528.18x = 192,014,510.44
  5. Step 5: Solve for x
    x = 192,014,510.44/21,528.18
  6. Step 6: Final answer
    x = 8,919.22

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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.