Home / 28,313.48-39,066.88-16,372.44

Finding the Fourth Proportional to 28,313.48, 39,066.88 and 16,372.44

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Solution

The fourth proportional to 28,313.48, 39,066.88 and 16,372.44 is: 22,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.48 : 39,066.88 = 16,372.44 : x
  2. Step 2: Convert to fraction form
    28,313.48/39,066.88 = 16,372.44/x
  3. Step 3: Cross multiply
    28,313.48x = 39,066.88 × 16,372.44
  4. Step 4: Simplify right side
    28,313.48x = 639,620,148.79
  5. Step 5: Solve for x
    x = 639,620,148.79/28,313.48
  6. Step 6: Final answer
    x = 22,590.66

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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.