Home / 26,501.19-39,751.22-7,780.81

Finding the Fourth Proportional to 26,501.19, 39,751.22 and 7,780.81

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Solution

The fourth proportional to 26,501.19, 39,751.22 and 7,780.81 is: 11,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.19 : 39,751.22 = 7,780.81 : x
  2. Step 2: Convert to fraction form
    26,501.19/39,751.22 = 7,780.81/x
  3. Step 3: Cross multiply
    26,501.19x = 39,751.22 × 7,780.81
  4. Step 4: Simplify right side
    26,501.19x = 309,296,690.09
  5. Step 5: Solve for x
    x = 309,296,690.09/26,501.19
  6. Step 6: Final answer
    x = 11,671.05

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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.