Home / 26,117.03-39,116.12-20,459.39

Finding the Fourth Proportional to 26,117.03, 39,116.12 and 20,459.39

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Solution

The fourth proportional to 26,117.03, 39,116.12 and 20,459.39 is: 30,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.03 : 39,116.12 = 20,459.39 : x
  2. Step 2: Convert to fraction form
    26,117.03/39,116.12 = 20,459.39/x
  3. Step 3: Cross multiply
    26,117.03x = 39,116.12 × 20,459.39
  4. Step 4: Simplify right side
    26,117.03x = 800,291,656.49
  5. Step 5: Solve for x
    x = 800,291,656.49/26,117.03
  6. Step 6: Final answer
    x = 30,642.52

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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.