Home / 38,574.72-57,822.48-18,828.99

Finding the Fourth Proportional to 38,574.72, 57,822.48 and 18,828.99

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Solution

The fourth proportional to 38,574.72, 57,822.48 and 18,828.99 is: 28,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.72 : 57,822.48 = 18,828.99 : x
  2. Step 2: Convert to fraction form
    38,574.72/57,822.48 = 18,828.99/x
  3. Step 3: Cross multiply
    38,574.72x = 57,822.48 × 18,828.99
  4. Step 4: Simplify right side
    38,574.72x = 1,088,738,897.70
  5. Step 5: Solve for x
    x = 1,088,738,897.70/38,574.72
  6. Step 6: Final answer
    x = 28,224.16

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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.