Home / 38,276.05-57,420.96-15,774.20

Finding the Fourth Proportional to 38,276.05, 57,420.96 and 15,774.20

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Solution

The fourth proportional to 38,276.05, 57,420.96 and 15,774.20 is: 23,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.05 : 57,420.96 = 15,774.20 : x
  2. Step 2: Convert to fraction form
    38,276.05/57,420.96 = 15,774.20/x
  3. Step 3: Cross multiply
    38,276.05x = 57,420.96 × 15,774.20
  4. Step 4: Simplify right side
    38,276.05x = 905,769,341.26
  5. Step 5: Solve for x
    x = 905,769,341.26/38,276.05
  6. Step 6: Final answer
    x = 23,664.13

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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.