Home / 22,332.78-30,788.10-18,285.48

Finding the Fourth Proportional to 22,332.78, 30,788.10 and 18,285.48

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Solution

The fourth proportional to 22,332.78, 30,788.10 and 18,285.48 is: 25,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.78 : 30,788.10 = 18,285.48 : x
  2. Step 2: Convert to fraction form
    22,332.78/30,788.10 = 18,285.48/x
  3. Step 3: Cross multiply
    22,332.78x = 30,788.10 × 18,285.48
  4. Step 4: Simplify right side
    22,332.78x = 562,975,186.79
  5. Step 5: Solve for x
    x = 562,975,186.79/22,332.78
  6. Step 6: Final answer
    x = 25,208.47

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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.