Home / 28,642.12-39,527.94-16,068.76

Finding the Fourth Proportional to 28,642.12, 39,527.94 and 16,068.76

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Solution

The fourth proportional to 28,642.12, 39,527.94 and 16,068.76 is: 22,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.12 : 39,527.94 = 16,068.76 : x
  2. Step 2: Convert to fraction form
    28,642.12/39,527.94 = 16,068.76/x
  3. Step 3: Cross multiply
    28,642.12x = 39,527.94 × 16,068.76
  4. Step 4: Simplify right side
    28,642.12x = 635,164,981.15
  5. Step 5: Solve for x
    x = 635,164,981.15/28,642.12
  6. Step 6: Final answer
    x = 22,175.91

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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.