Home / 26,279.63-39,363.40-21,260.46

Finding the Fourth Proportional to 26,279.63, 39,363.40 and 21,260.46

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Solution

The fourth proportional to 26,279.63, 39,363.40 and 21,260.46 is: 31,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.63 : 39,363.40 = 21,260.46 : x
  2. Step 2: Convert to fraction form
    26,279.63/39,363.40 = 21,260.46/x
  3. Step 3: Cross multiply
    26,279.63x = 39,363.40 × 21,260.46
  4. Step 4: Simplify right side
    26,279.63x = 836,883,991.16
  5. Step 5: Solve for x
    x = 836,883,991.16/26,279.63
  6. Step 6: Final answer
    x = 31,845.35

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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.