Home / 57,921.84-86,746.52-28,246.64

Finding the Fourth Proportional to 57,921.84, 86,746.52 and 28,246.64

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Solution

The fourth proportional to 57,921.84, 86,746.52 and 28,246.64 is: 42,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.84 : 86,746.52 = 28,246.64 : x
  2. Step 2: Convert to fraction form
    57,921.84/86,746.52 = 28,246.64/x
  3. Step 3: Cross multiply
    57,921.84x = 86,746.52 × 28,246.64
  4. Step 4: Simplify right side
    57,921.84x = 2,450,297,721.69
  5. Step 5: Solve for x
    x = 2,450,297,721.69/57,921.84
  6. Step 6: Final answer
    x = 42,303.52

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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.