Home / 21,463.98-29,589.21-15,071.10

Finding the Fourth Proportional to 21,463.98, 29,589.21 and 15,071.10

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Solution

The fourth proportional to 21,463.98, 29,589.21 and 15,071.10 is: 20,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.98 : 29,589.21 = 15,071.10 : x
  2. Step 2: Convert to fraction form
    21,463.98/29,589.21 = 15,071.10/x
  3. Step 3: Cross multiply
    21,463.98x = 29,589.21 × 15,071.10
  4. Step 4: Simplify right side
    21,463.98x = 445,941,942.83
  5. Step 5: Solve for x
    x = 445,941,942.83/21,463.98
  6. Step 6: Final answer
    x = 20,776.29

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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.