Home / 28,749.18-39,672.03-16,001.70

Finding the Fourth Proportional to 28,749.18, 39,672.03 and 16,001.70

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Solution

The fourth proportional to 28,749.18, 39,672.03 and 16,001.70 is: 22,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.18 : 39,672.03 = 16,001.70 : x
  2. Step 2: Convert to fraction form
    28,749.18/39,672.03 = 16,001.70/x
  3. Step 3: Cross multiply
    28,749.18x = 39,672.03 × 16,001.70
  4. Step 4: Simplify right side
    28,749.18x = 634,819,966.83
  5. Step 5: Solve for x
    x = 634,819,966.83/28,749.18
  6. Step 6: Final answer
    x = 22,081.33

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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.