Home / 26,219.68-39,285.72-11,406.40

Finding the Fourth Proportional to 26,219.68, 39,285.72 and 11,406.40

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Solution

The fourth proportional to 26,219.68, 39,285.72 and 11,406.40 is: 17,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.68 : 39,285.72 = 11,406.40 : x
  2. Step 2: Convert to fraction form
    26,219.68/39,285.72 = 11,406.40/x
  3. Step 3: Cross multiply
    26,219.68x = 39,285.72 × 11,406.40
  4. Step 4: Simplify right side
    26,219.68x = 448,108,636.61
  5. Step 5: Solve for x
    x = 448,108,636.61/26,219.68
  6. Step 6: Final answer
    x = 17,090.55

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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.