Home / 38,238.72-52,769.76-21,473.28

Finding the Fourth Proportional to 38,238.72, 52,769.76 and 21,473.28

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Solution

The fourth proportional to 38,238.72, 52,769.76 and 21,473.28 is: 29,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.72 : 52,769.76 = 21,473.28 : x
  2. Step 2: Convert to fraction form
    38,238.72/52,769.76 = 21,473.28/x
  3. Step 3: Cross multiply
    38,238.72x = 52,769.76 × 21,473.28
  4. Step 4: Simplify right side
    38,238.72x = 1,133,139,832.01
  5. Step 5: Solve for x
    x = 1,133,139,832.01/38,238.72
  6. Step 6: Final answer
    x = 29,633.31

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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.