Home / 19,223.45-28,835.12-7,528.49

Finding the Fourth Proportional to 19,223.45, 28,835.12 and 7,528.49

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Solution

The fourth proportional to 19,223.45, 28,835.12 and 7,528.49 is: 11,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.45 : 28,835.12 = 7,528.49 : x
  2. Step 2: Convert to fraction form
    19,223.45/28,835.12 = 7,528.49/x
  3. Step 3: Cross multiply
    19,223.45x = 28,835.12 × 7,528.49
  4. Step 4: Simplify right side
    19,223.45x = 217,084,787.21
  5. Step 5: Solve for x
    x = 217,084,787.21/19,223.45
  6. Step 6: Final answer
    x = 11,292.71

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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.