Home / 28,697.76-39,606.30-16,122.48

Finding the Fourth Proportional to 28,697.76, 39,606.30 and 16,122.48

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Solution

The fourth proportional to 28,697.76, 39,606.30 and 16,122.48 is: 22,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.76 : 39,606.30 = 16,122.48 : x
  2. Step 2: Convert to fraction form
    28,697.76/39,606.30 = 16,122.48/x
  3. Step 3: Cross multiply
    28,697.76x = 39,606.30 × 16,122.48
  4. Step 4: Simplify right side
    28,697.76x = 638,551,779.62
  5. Step 5: Solve for x
    x = 638,551,779.62/28,697.76
  6. Step 6: Final answer
    x = 22,250.93

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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.