Home / 28,053.57-38,721.98-16,579.11

Finding the Fourth Proportional to 28,053.57, 38,721.98 and 16,579.11

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Solution

The fourth proportional to 28,053.57, 38,721.98 and 16,579.11 is: 22,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.57 : 38,721.98 = 16,579.11 : x
  2. Step 2: Convert to fraction form
    28,053.57/38,721.98 = 16,579.11/x
  3. Step 3: Cross multiply
    28,053.57x = 38,721.98 × 16,579.11
  4. Step 4: Simplify right side
    28,053.57x = 641,975,965.84
  5. Step 5: Solve for x
    x = 641,975,965.84/28,053.57
  6. Step 6: Final answer
    x = 22,883.93

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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.