Home / 21,671.80-32,476.95-15,012.39

Finding the Fourth Proportional to 21,671.80, 32,476.95 and 15,012.39

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Solution

The fourth proportional to 21,671.80, 32,476.95 and 15,012.39 is: 22,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.80 : 32,476.95 = 15,012.39 : x
  2. Step 2: Convert to fraction form
    21,671.80/32,476.95 = 15,012.39/x
  3. Step 3: Cross multiply
    21,671.80x = 32,476.95 × 15,012.39
  4. Step 4: Simplify right side
    21,671.80x = 487,556,578.52
  5. Step 5: Solve for x
    x = 487,556,578.52/21,671.80
  6. Step 6: Final answer
    x = 22,497.28

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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.