Home / 28,677.68-43,018.72-7,901.04

Finding the Fourth Proportional to 28,677.68, 43,018.72 and 7,901.04

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Solution

The fourth proportional to 28,677.68, 43,018.72 and 7,901.04 is: 11,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.68 : 43,018.72 = 7,901.04 : x
  2. Step 2: Convert to fraction form
    28,677.68/43,018.72 = 7,901.04/x
  3. Step 3: Cross multiply
    28,677.68x = 43,018.72 × 7,901.04
  4. Step 4: Simplify right side
    28,677.68x = 339,892,627.47
  5. Step 5: Solve for x
    x = 339,892,627.47/28,677.68
  6. Step 6: Final answer
    x = 11,852.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.