Home / 21,499.65-32,247.05-5,915.25

Finding the Fourth Proportional to 21,499.65, 32,247.05 and 5,915.25

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Solution

The fourth proportional to 21,499.65, 32,247.05 and 5,915.25 is: 8,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499.65 : 32,247.05 = 5,915.25 : x
  2. Step 2: Convert to fraction form
    21,499.65/32,247.05 = 5,915.25/x
  3. Step 3: Cross multiply
    21,499.65x = 32,247.05 × 5,915.25
  4. Step 4: Simplify right side
    21,499.65x = 190,749,332.94
  5. Step 5: Solve for x
    x = 190,749,332.94/21,499.65
  6. Step 6: Final answer
    x = 8,872.21

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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.