Home / 52,828.19-79,223.95-21,228.87

Finding the Fourth Proportional to 52,828.19, 79,223.95 and 21,228.87

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Solution

The fourth proportional to 52,828.19, 79,223.95 and 21,228.87 is: 31,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.19 : 79,223.95 = 21,228.87 : x
  2. Step 2: Convert to fraction form
    52,828.19/79,223.95 = 21,228.87/x
  3. Step 3: Cross multiply
    52,828.19x = 79,223.95 × 21,228.87
  4. Step 4: Simplify right side
    52,828.19x = 1,681,834,935.44
  5. Step 5: Solve for x
    x = 1,681,834,935.44/52,828.19
  6. Step 6: Final answer
    x = 31,835.94

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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.