Home / 23,047.11-31,810.19-15,084.70

Finding the Fourth Proportional to 23,047.11, 31,810.19 and 15,084.70

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Solution

The fourth proportional to 23,047.11, 31,810.19 and 15,084.70 is: 20,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047.11 : 31,810.19 = 15,084.70 : x
  2. Step 2: Convert to fraction form
    23,047.11/31,810.19 = 15,084.70/x
  3. Step 3: Cross multiply
    23,047.11x = 31,810.19 × 15,084.70
  4. Step 4: Simplify right side
    23,047.11x = 479,847,018.14
  5. Step 5: Solve for x
    x = 479,847,018.14/23,047.11
  6. Step 6: Final answer
    x = 20,820.27

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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.