Home / 21,996.10-30,330.55-16,341.34

Finding the Fourth Proportional to 21,996.10, 30,330.55 and 16,341.34

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Solution

The fourth proportional to 21,996.10, 30,330.55 and 16,341.34 is: 22,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.10 : 30,330.55 = 16,341.34 : x
  2. Step 2: Convert to fraction form
    21,996.10/30,330.55 = 16,341.34/x
  3. Step 3: Cross multiply
    21,996.10x = 30,330.55 × 16,341.34
  4. Step 4: Simplify right side
    21,996.10x = 495,641,829.94
  5. Step 5: Solve for x
    x = 495,641,829.94/21,996.10
  6. Step 6: Final answer
    x = 22,533.17

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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.