Home / 21,522.02-29,686.99-14,795.97

Finding the Fourth Proportional to 21,522.02, 29,686.99 and 14,795.97

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Solution

The fourth proportional to 21,522.02, 29,686.99 and 14,795.97 is: 20,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.02 : 29,686.99 = 14,795.97 : x
  2. Step 2: Convert to fraction form
    21,522.02/29,686.99 = 14,795.97/x
  3. Step 3: Cross multiply
    21,522.02x = 29,686.99 × 14,795.97
  4. Step 4: Simplify right side
    21,522.02x = 439,247,943.34
  5. Step 5: Solve for x
    x = 439,247,943.34/21,522.02
  6. Step 6: Final answer
    x = 20,409.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.