Home / 27,923.46-38,543.36-17,878.95

Finding the Fourth Proportional to 27,923.46, 38,543.36 and 17,878.95

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Solution

The fourth proportional to 27,923.46, 38,543.36 and 17,878.95 is: 24,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.46 : 38,543.36 = 17,878.95 : x
  2. Step 2: Convert to fraction form
    27,923.46/38,543.36 = 17,878.95/x
  3. Step 3: Cross multiply
    27,923.46x = 38,543.36 × 17,878.95
  4. Step 4: Simplify right side
    27,923.46x = 689,114,716.88
  5. Step 5: Solve for x
    x = 689,114,716.88/27,923.46
  6. Step 6: Final answer
    x = 24,678.70

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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.