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Finding the Fourth Proportional to 28,041.03, 42,055.06 and 8,314.83

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Solution

The fourth proportional to 28,041.03, 42,055.06 and 8,314.83 is: 12,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.03 : 42,055.06 = 8,314.83 : x
  2. Step 2: Convert to fraction form
    28,041.03/42,055.06 = 8,314.83/x
  3. Step 3: Cross multiply
    28,041.03x = 42,055.06 × 8,314.83
  4. Step 4: Simplify right side
    28,041.03x = 349,680,674.54
  5. Step 5: Solve for x
    x = 349,680,674.54/28,041.03
  6. Step 6: Final answer
    x = 12,470.32

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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.