Home / 28,806.56-39,752.88-16,235.36

Finding the Fourth Proportional to 28,806.56, 39,752.88 and 16,235.36

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Solution

The fourth proportional to 28,806.56, 39,752.88 and 16,235.36 is: 22,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.56 : 39,752.88 = 16,235.36 : x
  2. Step 2: Convert to fraction form
    28,806.56/39,752.88 = 16,235.36/x
  3. Step 3: Cross multiply
    28,806.56x = 39,752.88 × 16,235.36
  4. Step 4: Simplify right side
    28,806.56x = 645,402,317.84
  5. Step 5: Solve for x
    x = 645,402,317.84/28,806.56
  6. Step 6: Final answer
    x = 22,404.70

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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.