Home / 28,888.26-39,870.38-17,561.31

Finding the Fourth Proportional to 28,888.26, 39,870.38 and 17,561.31

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Solution

The fourth proportional to 28,888.26, 39,870.38 and 17,561.31 is: 24,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.26 : 39,870.38 = 17,561.31 : x
  2. Step 2: Convert to fraction form
    28,888.26/39,870.38 = 17,561.31/x
  3. Step 3: Cross multiply
    28,888.26x = 39,870.38 × 17,561.31
  4. Step 4: Simplify right side
    28,888.26x = 700,176,087.83
  5. Step 5: Solve for x
    x = 700,176,087.83/28,888.26
  6. Step 6: Final answer
    x = 24,237.39

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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.