Home / 28,891.23-39,869.14-16,144.52

Finding the Fourth Proportional to 28,891.23, 39,869.14 and 16,144.52

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Solution

The fourth proportional to 28,891.23, 39,869.14 and 16,144.52 is: 22,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.23 : 39,869.14 = 16,144.52 : x
  2. Step 2: Convert to fraction form
    28,891.23/39,869.14 = 16,144.52/x
  3. Step 3: Cross multiply
    28,891.23x = 39,869.14 × 16,144.52
  4. Step 4: Simplify right side
    28,891.23x = 643,668,206.19
  5. Step 5: Solve for x
    x = 643,668,206.19/28,891.23
  6. Step 6: Final answer
    x = 22,279.01

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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.