Home / 28,081.74-38,743.46-18,526.37

Finding the Fourth Proportional to 28,081.74, 38,743.46 and 18,526.37

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Solution

The fourth proportional to 28,081.74, 38,743.46 and 18,526.37 is: 25,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.74 : 38,743.46 = 18,526.37 : x
  2. Step 2: Convert to fraction form
    28,081.74/38,743.46 = 18,526.37/x
  3. Step 3: Cross multiply
    28,081.74x = 38,743.46 × 18,526.37
  4. Step 4: Simplify right side
    28,081.74x = 717,775,675.04
  5. Step 5: Solve for x
    x = 717,775,675.04/28,081.74
  6. Step 6: Final answer
    x = 25,560.23

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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.