Home / 26,867.18-40,285.14-19,755.67

Finding the Fourth Proportional to 26,867.18, 40,285.14 and 19,755.67

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Solution

The fourth proportional to 26,867.18, 40,285.14 and 19,755.67 is: 29,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.18 : 40,285.14 = 19,755.67 : x
  2. Step 2: Convert to fraction form
    26,867.18/40,285.14 = 19,755.67/x
  3. Step 3: Cross multiply
    26,867.18x = 40,285.14 × 19,755.67
  4. Step 4: Simplify right side
    26,867.18x = 795,859,980.51
  5. Step 5: Solve for x
    x = 795,859,980.51/26,867.18
  6. Step 6: Final answer
    x = 29,622.01

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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.