Home / 26,875.79-40,303.31-8,859.69

Finding the Fourth Proportional to 26,875.79, 40,303.31 and 8,859.69

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Solution

The fourth proportional to 26,875.79, 40,303.31 and 8,859.69 is: 13,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.79 : 40,303.31 = 8,859.69 : x
  2. Step 2: Convert to fraction form
    26,875.79/40,303.31 = 8,859.69/x
  3. Step 3: Cross multiply
    26,875.79x = 40,303.31 × 8,859.69
  4. Step 4: Simplify right side
    26,875.79x = 357,074,832.57
  5. Step 5: Solve for x
    x = 357,074,832.57/26,875.79
  6. Step 6: Final answer
    x = 13,286.11

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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.