Home / 28,979.49-43,452.56-15,453.98

Finding the Fourth Proportional to 28,979.49, 43,452.56 and 15,453.98

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Solution

The fourth proportional to 28,979.49, 43,452.56 and 15,453.98 is: 23,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.49 : 43,452.56 = 15,453.98 : x
  2. Step 2: Convert to fraction form
    28,979.49/43,452.56 = 15,453.98/x
  3. Step 3: Cross multiply
    28,979.49x = 43,452.56 × 15,453.98
  4. Step 4: Simplify right side
    28,979.49x = 671,514,814.56
  5. Step 5: Solve for x
    x = 671,514,814.56/28,979.49
  6. Step 6: Final answer
    x = 23,172.07

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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.