Home / 28,888.40-39,863.64-16,950.08

Finding the Fourth Proportional to 28,888.40, 39,863.64 and 16,950.08

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Solution

The fourth proportional to 28,888.40, 39,863.64 and 16,950.08 is: 23,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.40 : 39,863.64 = 16,950.08 : x
  2. Step 2: Convert to fraction form
    28,888.40/39,863.64 = 16,950.08/x
  3. Step 3: Cross multiply
    28,888.40x = 39,863.64 × 16,950.08
  4. Step 4: Simplify right side
    28,888.40x = 675,691,887.09
  5. Step 5: Solve for x
    x = 675,691,887.09/28,888.40
  6. Step 6: Final answer
    x = 23,389.73

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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.