Home / 28,865.19-39,839.91-16,934.79

Finding the Fourth Proportional to 28,865.19, 39,839.91 and 16,934.79

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Solution

The fourth proportional to 28,865.19, 39,839.91 and 16,934.79 is: 23,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.19 : 39,839.91 = 16,934.79 : x
  2. Step 2: Convert to fraction form
    28,865.19/39,839.91 = 16,934.79/x
  3. Step 3: Cross multiply
    28,865.19x = 39,839.91 × 16,934.79
  4. Step 4: Simplify right side
    28,865.19x = 674,680,509.47
  5. Step 5: Solve for x
    x = 674,680,509.47/28,865.19
  6. Step 6: Final answer
    x = 23,373.50

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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.