Home / 19,628.76-29,397.78-17,879.16

Finding the Fourth Proportional to 19,628.76, 29,397.78 and 17,879.16

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Solution

The fourth proportional to 19,628.76, 29,397.78 and 17,879.16 is: 26,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.76 : 29,397.78 = 17,879.16 : x
  2. Step 2: Convert to fraction form
    19,628.76/29,397.78 = 17,879.16/x
  3. Step 3: Cross multiply
    19,628.76x = 29,397.78 × 17,879.16
  4. Step 4: Simplify right side
    19,628.76x = 525,607,612.26
  5. Step 5: Solve for x
    x = 525,607,612.26/19,628.76
  6. Step 6: Final answer
    x = 26,777.42

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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.