Home / 28,700.76-39,610.44-16,125.48

Finding the Fourth Proportional to 28,700.76, 39,610.44 and 16,125.48

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Solution

The fourth proportional to 28,700.76, 39,610.44 and 16,125.48 is: 22,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.76 : 39,610.44 = 16,125.48 : x
  2. Step 2: Convert to fraction form
    28,700.76/39,610.44 = 16,125.48/x
  3. Step 3: Cross multiply
    28,700.76x = 39,610.44 × 16,125.48
  4. Step 4: Simplify right side
    28,700.76x = 638,737,358.01
  5. Step 5: Solve for x
    x = 638,737,358.01/28,700.76
  6. Step 6: Final answer
    x = 22,255.07

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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.