Home / 26,856.93-40,281.75-7,881.06

Finding the Fourth Proportional to 26,856.93, 40,281.75 and 7,881.06

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Solution

The fourth proportional to 26,856.93, 40,281.75 and 7,881.06 is: 11,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.93 : 40,281.75 = 7,881.06 : x
  2. Step 2: Convert to fraction form
    26,856.93/40,281.75 = 7,881.06/x
  3. Step 3: Cross multiply
    26,856.93x = 40,281.75 × 7,881.06
  4. Step 4: Simplify right side
    26,856.93x = 317,462,888.66
  5. Step 5: Solve for x
    x = 317,462,888.66/26,856.93
  6. Step 6: Final answer
    x = 11,820.52

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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.