Home / 26,522.84-39,775.75-8,749.51

Finding the Fourth Proportional to 26,522.84, 39,775.75 and 8,749.51

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Solution

The fourth proportional to 26,522.84, 39,775.75 and 8,749.51 is: 13,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.84 : 39,775.75 = 8,749.51 : x
  2. Step 2: Convert to fraction form
    26,522.84/39,775.75 = 8,749.51/x
  3. Step 3: Cross multiply
    26,522.84x = 39,775.75 × 8,749.51
  4. Step 4: Simplify right side
    26,522.84x = 348,018,201.07
  5. Step 5: Solve for x
    x = 348,018,201.07/26,522.84
  6. Step 6: Final answer
    x = 13,121.45

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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.