Home / 23,082.99-31,847.45-14,121.15

Finding the Fourth Proportional to 23,082.99, 31,847.45 and 14,121.15

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Solution

The fourth proportional to 23,082.99, 31,847.45 and 14,121.15 is: 19,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.99 : 31,847.45 = 14,121.15 : x
  2. Step 2: Convert to fraction form
    23,082.99/31,847.45 = 14,121.15/x
  3. Step 3: Cross multiply
    23,082.99x = 31,847.45 × 14,121.15
  4. Step 4: Simplify right side
    23,082.99x = 449,722,547.96
  5. Step 5: Solve for x
    x = 449,722,547.96/23,082.99
  6. Step 6: Final answer
    x = 19,482.86

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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.