Home / 28,337.93-39,103.94-16,402.01

Finding the Fourth Proportional to 28,337.93, 39,103.94 and 16,402.01

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Solution

The fourth proportional to 28,337.93, 39,103.94 and 16,402.01 is: 22,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.93 : 39,103.94 = 16,402.01 : x
  2. Step 2: Convert to fraction form
    28,337.93/39,103.94 = 16,402.01/x
  3. Step 3: Cross multiply
    28,337.93x = 39,103.94 × 16,402.01
  4. Step 4: Simplify right side
    28,337.93x = 641,382,937.39
  5. Step 5: Solve for x
    x = 641,382,937.39/28,337.93
  6. Step 6: Final answer
    x = 22,633.38

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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.