Home / 26,700.54-40,070.40-11,919.15

Finding the Fourth Proportional to 26,700.54, 40,070.40 and 11,919.15

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Solution

The fourth proportional to 26,700.54, 40,070.40 and 11,919.15 is: 17,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,700.54 : 40,070.40 = 11,919.15 : x
  2. Step 2: Convert to fraction form
    26,700.54/40,070.40 = 11,919.15/x
  3. Step 3: Cross multiply
    26,700.54x = 40,070.40 × 11,919.15
  4. Step 4: Simplify right side
    26,700.54x = 477,605,063.46
  5. Step 5: Solve for x
    x = 477,605,063.46/26,700.54
  6. Step 6: Final answer
    x = 17,887.47

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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.