Home / 28,864.76-43,271.48-15,545.02

Finding the Fourth Proportional to 28,864.76, 43,271.48 and 15,545.02

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Solution

The fourth proportional to 28,864.76, 43,271.48 and 15,545.02 is: 23,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.76 : 43,271.48 = 15,545.02 : x
  2. Step 2: Convert to fraction form
    28,864.76/43,271.48 = 15,545.02/x
  3. Step 3: Cross multiply
    28,864.76x = 43,271.48 × 15,545.02
  4. Step 4: Simplify right side
    28,864.76x = 672,656,022.03
  5. Step 5: Solve for x
    x = 672,656,022.03/28,864.76
  6. Step 6: Final answer
    x = 23,303.71

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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.