Home / 26,870.28-40,312.24-15,786.32

Finding the Fourth Proportional to 26,870.28, 40,312.24 and 15,786.32

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Solution

The fourth proportional to 26,870.28, 40,312.24 and 15,786.32 is: 23,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.28 : 40,312.24 = 15,786.32 : x
  2. Step 2: Convert to fraction form
    26,870.28/40,312.24 = 15,786.32/x
  3. Step 3: Cross multiply
    26,870.28x = 40,312.24 × 15,786.32
  4. Step 4: Simplify right side
    26,870.28x = 636,381,920.56
  5. Step 5: Solve for x
    x = 636,381,920.56/26,870.28
  6. Step 6: Final answer
    x = 23,683.49

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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.