Home / 19,201.92-26,506.08-15,011.52

Finding the Fourth Proportional to 19,201.92, 26,506.08 and 15,011.52

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Solution

The fourth proportional to 19,201.92, 26,506.08 and 15,011.52 is: 20,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.92 : 26,506.08 = 15,011.52 : x
  2. Step 2: Convert to fraction form
    19,201.92/26,506.08 = 15,011.52/x
  3. Step 3: Cross multiply
    19,201.92x = 26,506.08 × 15,011.52
  4. Step 4: Simplify right side
    19,201.92x = 397,896,550.04
  5. Step 5: Solve for x
    x = 397,896,550.04/19,201.92
  6. Step 6: Final answer
    x = 20,721.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.