Home / 28,465.39-39,290.58-16,534.09

Finding the Fourth Proportional to 28,465.39, 39,290.58 and 16,534.09

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Solution

The fourth proportional to 28,465.39, 39,290.58 and 16,534.09 is: 22,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.39 : 39,290.58 = 16,534.09 : x
  2. Step 2: Convert to fraction form
    28,465.39/39,290.58 = 16,534.09/x
  3. Step 3: Cross multiply
    28,465.39x = 39,290.58 × 16,534.09
  4. Step 4: Simplify right side
    28,465.39x = 649,633,985.87
  5. Step 5: Solve for x
    x = 649,633,985.87/28,465.39
  6. Step 6: Final answer
    x = 22,821.89

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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.