Home / 28,646.75-39,532.79-16,071.77

Finding the Fourth Proportional to 28,646.75, 39,532.79 and 16,071.77

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Solution

The fourth proportional to 28,646.75, 39,532.79 and 16,071.77 is: 22,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.75 : 39,532.79 = 16,071.77 : x
  2. Step 2: Convert to fraction form
    28,646.75/39,532.79 = 16,071.77/x
  3. Step 3: Cross multiply
    28,646.75x = 39,532.79 × 16,071.77
  4. Step 4: Simplify right side
    28,646.75x = 635,361,908.34
  5. Step 5: Solve for x
    x = 635,361,908.34/28,646.75
  6. Step 6: Final answer
    x = 22,179.20

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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.