Home / 23,047.80-31,801.50-13,617.96

Finding the Fourth Proportional to 23,047.80, 31,801.50 and 13,617.96

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Solution

The fourth proportional to 23,047.80, 31,801.50 and 13,617.96 is: 18,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047.80 : 31,801.50 = 13,617.96 : x
  2. Step 2: Convert to fraction form
    23,047.80/31,801.50 = 13,617.96/x
  3. Step 3: Cross multiply
    23,047.80x = 31,801.50 × 13,617.96
  4. Step 4: Simplify right side
    23,047.80x = 433,071,554.94
  5. Step 5: Solve for x
    x = 433,071,554.94/23,047.80
  6. Step 6: Final answer
    x = 18,790.15

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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.