Home / 26,509.22-39,742.98-9,860.18

Finding the Fourth Proportional to 26,509.22, 39,742.98 and 9,860.18

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Solution

The fourth proportional to 26,509.22, 39,742.98 and 9,860.18 is: 14,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.22 : 39,742.98 = 9,860.18 : x
  2. Step 2: Convert to fraction form
    26,509.22/39,742.98 = 9,860.18/x
  3. Step 3: Cross multiply
    26,509.22x = 39,742.98 × 9,860.18
  4. Step 4: Simplify right side
    26,509.22x = 391,872,936.54
  5. Step 5: Solve for x
    x = 391,872,936.54/26,509.22
  6. Step 6: Final answer
    x = 14,782.51

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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.