Home / 27,703.08-38,245.77-18,288.18

Finding the Fourth Proportional to 27,703.08, 38,245.77 and 18,288.18

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Solution

The fourth proportional to 27,703.08, 38,245.77 and 18,288.18 is: 25,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.08 : 38,245.77 = 18,288.18 : x
  2. Step 2: Convert to fraction form
    27,703.08/38,245.77 = 18,288.18/x
  3. Step 3: Cross multiply
    27,703.08x = 38,245.77 × 18,288.18
  4. Step 4: Simplify right side
    27,703.08x = 699,445,526.00
  5. Step 5: Solve for x
    x = 699,445,526.00/27,703.08
  6. Step 6: Final answer
    x = 25,247.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.