Home / 28,869.01-39,841.07-16,931.03

Finding the Fourth Proportional to 28,869.01, 39,841.07 and 16,931.03

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Solution

The fourth proportional to 28,869.01, 39,841.07 and 16,931.03 is: 23,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.01 : 39,841.07 = 16,931.03 : x
  2. Step 2: Convert to fraction form
    28,869.01/39,841.07 = 16,931.03/x
  3. Step 3: Cross multiply
    28,869.01x = 39,841.07 × 16,931.03
  4. Step 4: Simplify right side
    28,869.01x = 674,550,067.54
  5. Step 5: Solve for x
    x = 674,550,067.54/28,869.01
  6. Step 6: Final answer
    x = 23,365.89

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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.