Home / 28,054.08-42,070.59-9,330.66

Finding the Fourth Proportional to 28,054.08, 42,070.59 and 9,330.66

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Solution

The fourth proportional to 28,054.08, 42,070.59 and 9,330.66 is: 13,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.08 : 42,070.59 = 9,330.66 : x
  2. Step 2: Convert to fraction form
    28,054.08/42,070.59 = 9,330.66/x
  3. Step 3: Cross multiply
    28,054.08x = 42,070.59 × 9,330.66
  4. Step 4: Simplify right side
    28,054.08x = 392,546,371.29
  5. Step 5: Solve for x
    x = 392,546,371.29/28,054.08
  6. Step 6: Final answer
    x = 13,992.49

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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.