Home / 28,868.16-39,837.76-16,293.44

Finding the Fourth Proportional to 28,868.16, 39,837.76 and 16,293.44

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Solution

The fourth proportional to 28,868.16, 39,837.76 and 16,293.44 is: 22,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.16 : 39,837.76 = 16,293.44 : x
  2. Step 2: Convert to fraction form
    28,868.16/39,837.76 = 16,293.44/x
  3. Step 3: Cross multiply
    28,868.16x = 39,837.76 × 16,293.44
  4. Step 4: Simplify right side
    28,868.16x = 649,094,152.29
  5. Step 5: Solve for x
    x = 649,094,152.29/28,868.16
  6. Step 6: Final answer
    x = 22,484.78

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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.