Home / 25,804.48-38,667.84-19,199.20

Finding the Fourth Proportional to 25,804.48, 38,667.84 and 19,199.20

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Solution

The fourth proportional to 25,804.48, 38,667.84 and 19,199.20 is: 28,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.48 : 38,667.84 = 19,199.20 : x
  2. Step 2: Convert to fraction form
    25,804.48/38,667.84 = 19,199.20/x
  3. Step 3: Cross multiply
    25,804.48x = 38,667.84 × 19,199.20
  4. Step 4: Simplify right side
    25,804.48x = 742,391,593.73
  5. Step 5: Solve for x
    x = 742,391,593.73/25,804.48
  6. Step 6: Final answer
    x = 28,769.87

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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.