Home / 26,292.89-39,439.34-13,978.01

Finding the Fourth Proportional to 26,292.89, 39,439.34 and 13,978.01

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Solution

The fourth proportional to 26,292.89, 39,439.34 and 13,978.01 is: 20,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,292.89 : 39,439.34 = 13,978.01 : x
  2. Step 2: Convert to fraction form
    26,292.89/39,439.34 = 13,978.01/x
  3. Step 3: Cross multiply
    26,292.89x = 39,439.34 × 13,978.01
  4. Step 4: Simplify right side
    26,292.89x = 551,283,488.91
  5. Step 5: Solve for x
    x = 551,283,488.91/26,292.89
  6. Step 6: Final answer
    x = 20,967.02

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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.