Home / 28,655.48-39,544.80-16,083.20

Finding the Fourth Proportional to 28,655.48, 39,544.80 and 16,083.20

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Solution

The fourth proportional to 28,655.48, 39,544.80 and 16,083.20 is: 22,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.48 : 39,544.80 = 16,083.20 : x
  2. Step 2: Convert to fraction form
    28,655.48/39,544.80 = 16,083.20/x
  3. Step 3: Cross multiply
    28,655.48x = 39,544.80 × 16,083.20
  4. Step 4: Simplify right side
    28,655.48x = 636,006,927.36
  5. Step 5: Solve for x
    x = 636,006,927.36/28,655.48
  6. Step 6: Final answer
    x = 22,194.95

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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.