Home / 28,809.28-39,756.68-16,062.32

Finding the Fourth Proportional to 28,809.28, 39,756.68 and 16,062.32

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Solution

The fourth proportional to 28,809.28, 39,756.68 and 16,062.32 is: 22,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.28 : 39,756.68 = 16,062.32 : x
  2. Step 2: Convert to fraction form
    28,809.28/39,756.68 = 16,062.32/x
  3. Step 3: Cross multiply
    28,809.28x = 39,756.68 × 16,062.32
  4. Step 4: Simplify right side
    28,809.28x = 638,584,516.30
  5. Step 5: Solve for x
    x = 638,584,516.30/28,809.28
  6. Step 6: Final answer
    x = 22,165.93

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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.