Home / 28,047.45-38,778.41-26,808.15

Finding the Fourth Proportional to 28,047.45, 38,778.41 and 26,808.15

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Solution

The fourth proportional to 28,047.45, 38,778.41 and 26,808.15 is: 37,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.45 : 38,778.41 = 26,808.15 : x
  2. Step 2: Convert to fraction form
    28,047.45/38,778.41 = 26,808.15/x
  3. Step 3: Cross multiply
    28,047.45x = 38,778.41 × 26,808.15
  4. Step 4: Simplify right side
    28,047.45x = 1,039,577,432.04
  5. Step 5: Solve for x
    x = 1,039,577,432.04/28,047.45
  6. Step 6: Final answer
    x = 37,064.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.