Home / 28,751.80-39,677.47-16,004.71

Finding the Fourth Proportional to 28,751.80, 39,677.47 and 16,004.71

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Solution

The fourth proportional to 28,751.80, 39,677.47 and 16,004.71 is: 22,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.80 : 39,677.47 = 16,004.71 : x
  2. Step 2: Convert to fraction form
    28,751.80/39,677.47 = 16,004.71/x
  3. Step 3: Cross multiply
    28,751.80x = 39,677.47 × 16,004.71
  4. Step 4: Simplify right side
    28,751.80x = 635,026,400.88
  5. Step 5: Solve for x
    x = 635,026,400.88/28,751.80
  6. Step 6: Final answer
    x = 22,086.49

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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.