Home / 28,843.26-43,239.17-15,523.40

Finding the Fourth Proportional to 28,843.26, 43,239.17 and 15,523.40

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Solution

The fourth proportional to 28,843.26, 43,239.17 and 15,523.40 is: 23,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.26 : 43,239.17 = 15,523.40 : x
  2. Step 2: Convert to fraction form
    28,843.26/43,239.17 = 15,523.40/x
  3. Step 3: Cross multiply
    28,843.26x = 43,239.17 × 15,523.40
  4. Step 4: Simplify right side
    28,843.26x = 671,218,931.58
  5. Step 5: Solve for x
    x = 671,218,931.58/28,843.26
  6. Step 6: Final answer
    x = 23,271.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.