Home / 28,666.04-39,554.33-15,917.18

Finding the Fourth Proportional to 28,666.04, 39,554.33 and 15,917.18

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Solution

The fourth proportional to 28,666.04, 39,554.33 and 15,917.18 is: 21,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.04 : 39,554.33 = 15,917.18 : x
  2. Step 2: Convert to fraction form
    28,666.04/39,554.33 = 15,917.18/x
  3. Step 3: Cross multiply
    28,666.04x = 39,554.33 × 15,917.18
  4. Step 4: Simplify right side
    28,666.04x = 629,593,113.03
  5. Step 5: Solve for x
    x = 629,593,113.03/28,666.04
  6. Step 6: Final answer
    x = 21,963.03

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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.