Home / 26,467.12-39,699.39-9,830.39

Finding the Fourth Proportional to 26,467.12, 39,699.39 and 9,830.39

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Solution

The fourth proportional to 26,467.12, 39,699.39 and 9,830.39 is: 14,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,467.12 : 39,699.39 = 9,830.39 : x
  2. Step 2: Convert to fraction form
    26,467.12/39,699.39 = 9,830.39/x
  3. Step 3: Cross multiply
    26,467.12x = 39,699.39 × 9,830.39
  4. Step 4: Simplify right side
    26,467.12x = 390,260,486.46
  5. Step 5: Solve for x
    x = 390,260,486.46/26,467.12
  6. Step 6: Final answer
    x = 14,745.11

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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.