Home / 28,165.98-42,047.16-26,197.68

Finding the Fourth Proportional to 28,165.98, 42,047.16 and 26,197.68

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Solution

The fourth proportional to 28,165.98, 42,047.16 and 26,197.68 is: 39,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.98 : 42,047.16 = 26,197.68 : x
  2. Step 2: Convert to fraction form
    28,165.98/42,047.16 = 26,197.68/x
  3. Step 3: Cross multiply
    28,165.98x = 42,047.16 × 26,197.68
  4. Step 4: Simplify right side
    28,165.98x = 1,101,538,042.59
  5. Step 5: Solve for x
    x = 1,101,538,042.59/28,165.98
  6. Step 6: Final answer
    x = 39,108.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.