Home / 28,937.34-39,934.28-16,190.10

Finding the Fourth Proportional to 28,937.34, 39,934.28 and 16,190.10

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Solution

The fourth proportional to 28,937.34, 39,934.28 and 16,190.10 is: 22,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.34 : 39,934.28 = 16,190.10 : x
  2. Step 2: Convert to fraction form
    28,937.34/39,934.28 = 16,190.10/x
  3. Step 3: Cross multiply
    28,937.34x = 39,934.28 × 16,190.10
  4. Step 4: Simplify right side
    28,937.34x = 646,540,027.10
  5. Step 5: Solve for x
    x = 646,540,027.10/28,937.34
  6. Step 6: Final answer
    x = 22,342.76

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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.