Home / 28,807.48-39,755.82-16,233.40

Finding the Fourth Proportional to 28,807.48, 39,755.82 and 16,233.40

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Solution

The fourth proportional to 28,807.48, 39,755.82 and 16,233.40 is: 22,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.48 : 39,755.82 = 16,233.40 : x
  2. Step 2: Convert to fraction form
    28,807.48/39,755.82 = 16,233.40/x
  3. Step 3: Cross multiply
    28,807.48x = 39,755.82 × 16,233.40
  4. Step 4: Simplify right side
    28,807.48x = 645,372,128.39
  5. Step 5: Solve for x
    x = 645,372,128.39/28,807.48
  6. Step 6: Final answer
    x = 22,402.94

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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.