Home / 21,880.54-32,838-15,263.65

Finding the Fourth Proportional to 21,880.54, 32,838 and 15,263.65

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Solution

The fourth proportional to 21,880.54, 32,838 and 15,263.65 is: 22,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.54 : 32,838 = 15,263.65 : x
  2. Step 2: Convert to fraction form
    21,880.54/32,838 = 15,263.65/x
  3. Step 3: Cross multiply
    21,880.54x = 32,838 × 15,263.65
  4. Step 4: Simplify right side
    21,880.54x = 501,227,738.70
  5. Step 5: Solve for x
    x = 501,227,738.70/21,880.54
  6. Step 6: Final answer
    x = 22,907.47

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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.