Home / 26,998.74-40,427.10-21,705.66

Finding the Fourth Proportional to 26,998.74, 40,427.10 and 21,705.66

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Solution

The fourth proportional to 26,998.74, 40,427.10 and 21,705.66 is: 32,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.74 : 40,427.10 = 21,705.66 : x
  2. Step 2: Convert to fraction form
    26,998.74/40,427.10 = 21,705.66/x
  3. Step 3: Cross multiply
    26,998.74x = 40,427.10 × 21,705.66
  4. Step 4: Simplify right side
    26,998.74x = 877,496,887.39
  5. Step 5: Solve for x
    x = 877,496,887.39/26,998.74
  6. Step 6: Final answer
    x = 32,501.40

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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.