Home / 26,701.45-40,051.78-7,981.07

Finding the Fourth Proportional to 26,701.45, 40,051.78 and 7,981.07

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Solution

The fourth proportional to 26,701.45, 40,051.78 and 7,981.07 is: 11,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701.45 : 40,051.78 = 7,981.07 : x
  2. Step 2: Convert to fraction form
    26,701.45/40,051.78 = 7,981.07/x
  3. Step 3: Cross multiply
    26,701.45x = 40,051.78 × 7,981.07
  4. Step 4: Simplify right side
    26,701.45x = 319,655,884.49
  5. Step 5: Solve for x
    x = 319,655,884.49/26,701.45
  6. Step 6: Final answer
    x = 11,971.48

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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.