Home / 26,267.36-36,219.52-21,472.40

Finding the Fourth Proportional to 26,267.36, 36,219.52 and 21,472.40

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Solution

The fourth proportional to 26,267.36, 36,219.52 and 21,472.40 is: 29,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,267.36 : 36,219.52 = 21,472.40 : x
  2. Step 2: Convert to fraction form
    26,267.36/36,219.52 = 21,472.40/x
  3. Step 3: Cross multiply
    26,267.36x = 36,219.52 × 21,472.40
  4. Step 4: Simplify right side
    26,267.36x = 777,720,021.25
  5. Step 5: Solve for x
    x = 777,720,021.25/26,267.36
  6. Step 6: Final answer
    x = 29,607.85

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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.