Home / 28,055.64-42,089.94-8,333.76

Finding the Fourth Proportional to 28,055.64, 42,089.94 and 8,333.76

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Solution

The fourth proportional to 28,055.64, 42,089.94 and 8,333.76 is: 12,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.64 : 42,089.94 = 8,333.76 : x
  2. Step 2: Convert to fraction form
    28,055.64/42,089.94 = 8,333.76/x
  3. Step 3: Cross multiply
    28,055.64x = 42,089.94 × 8,333.76
  4. Step 4: Simplify right side
    28,055.64x = 350,767,458.37
  5. Step 5: Solve for x
    x = 350,767,458.37/28,055.64
  6. Step 6: Final answer
    x = 12,502.56

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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.