Home / 28,907.66-39,891.48-16,332.68

Finding the Fourth Proportional to 28,907.66, 39,891.48 and 16,332.68

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Solution

The fourth proportional to 28,907.66, 39,891.48 and 16,332.68 is: 22,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.66 : 39,891.48 = 16,332.68 : x
  2. Step 2: Convert to fraction form
    28,907.66/39,891.48 = 16,332.68/x
  3. Step 3: Cross multiply
    28,907.66x = 39,891.48 × 16,332.68
  4. Step 4: Simplify right side
    28,907.66x = 651,534,777.57
  5. Step 5: Solve for x
    x = 651,534,777.57/28,907.66
  6. Step 6: Final answer
    x = 22,538.48

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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.