Home / 28,060.30-42,060.86-9,335.33

Finding the Fourth Proportional to 28,060.30, 42,060.86 and 9,335.33

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Solution

The fourth proportional to 28,060.30, 42,060.86 and 9,335.33 is: 13,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.30 : 42,060.86 = 9,335.33 : x
  2. Step 2: Convert to fraction form
    28,060.30/42,060.86 = 9,335.33/x
  3. Step 3: Cross multiply
    28,060.30x = 42,060.86 × 9,335.33
  4. Step 4: Simplify right side
    28,060.30x = 392,651,961.51
  5. Step 5: Solve for x
    x = 392,651,961.51/28,060.30
  6. Step 6: Final answer
    x = 13,993.15

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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.