Home / 21,802.98-32,723.91-10,122.78

Finding the Fourth Proportional to 21,802.98, 32,723.91 and 10,122.78

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Solution

The fourth proportional to 21,802.98, 32,723.91 and 10,122.78 is: 15,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.98 : 32,723.91 = 10,122.78 : x
  2. Step 2: Convert to fraction form
    21,802.98/32,723.91 = 10,122.78/x
  3. Step 3: Cross multiply
    21,802.98x = 32,723.91 × 10,122.78
  4. Step 4: Simplify right side
    21,802.98x = 331,256,941.67
  5. Step 5: Solve for x
    x = 331,256,941.67/21,802.98
  6. Step 6: Final answer
    x = 15,193.20

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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.