Home / 38,187.24-52,696.55-21,191.28

Finding the Fourth Proportional to 38,187.24, 52,696.55 and 21,191.28

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Solution

The fourth proportional to 38,187.24, 52,696.55 and 21,191.28 is: 29,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.24 : 52,696.55 = 21,191.28 : x
  2. Step 2: Convert to fraction form
    38,187.24/52,696.55 = 21,191.28/x
  3. Step 3: Cross multiply
    38,187.24x = 52,696.55 × 21,191.28
  4. Step 4: Simplify right side
    38,187.24x = 1,116,707,240.13
  5. Step 5: Solve for x
    x = 1,116,707,240.13/38,187.24
  6. Step 6: Final answer
    x = 29,242.94

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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.