Home / 28,055.22-42,073.70-9,330.23

Finding the Fourth Proportional to 28,055.22, 42,073.70 and 9,330.23

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Solution

The fourth proportional to 28,055.22, 42,073.70 and 9,330.23 is: 13,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.22 : 42,073.70 = 9,330.23 : x
  2. Step 2: Convert to fraction form
    28,055.22/42,073.70 = 9,330.23/x
  3. Step 3: Cross multiply
    28,055.22x = 42,073.70 × 9,330.23
  4. Step 4: Simplify right side
    28,055.22x = 392,557,040.93
  5. Step 5: Solve for x
    x = 392,557,040.93/28,055.22
  6. Step 6: Final answer
    x = 13,992.30

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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.