Home / 28,124.61-38,800.80-16,181.52

Finding the Fourth Proportional to 28,124.61, 38,800.80 and 16,181.52

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Solution

The fourth proportional to 28,124.61, 38,800.80 and 16,181.52 is: 22,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.61 : 38,800.80 = 16,181.52 : x
  2. Step 2: Convert to fraction form
    28,124.61/38,800.80 = 16,181.52/x
  3. Step 3: Cross multiply
    28,124.61x = 38,800.80 × 16,181.52
  4. Step 4: Simplify right side
    28,124.61x = 627,855,921.22
  5. Step 5: Solve for x
    x = 627,855,921.22/28,124.61
  6. Step 6: Final answer
    x = 22,324.08

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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.