Home / 42,829.88-64,244.60-28,568.21

Finding the Fourth Proportional to 42,829.88, 64,244.60 and 28,568.21

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Solution

The fourth proportional to 42,829.88, 64,244.60 and 28,568.21 is: 42,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,829.88 : 64,244.60 = 28,568.21 : x
  2. Step 2: Convert to fraction form
    42,829.88/64,244.60 = 28,568.21/x
  3. Step 3: Cross multiply
    42,829.88x = 64,244.60 × 28,568.21
  4. Step 4: Simplify right side
    42,829.88x = 1,835,353,224.17
  5. Step 5: Solve for x
    x = 1,835,353,224.17/42,829.88
  6. Step 6: Final answer
    x = 42,852.17

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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.