Home / 38,215.53-57,288.74-13,585.77

Finding the Fourth Proportional to 38,215.53, 57,288.74 and 13,585.77

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Solution

The fourth proportional to 38,215.53, 57,288.74 and 13,585.77 is: 20,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.53 : 57,288.74 = 13,585.77 : x
  2. Step 2: Convert to fraction form
    38,215.53/57,288.74 = 13,585.77/x
  3. Step 3: Cross multiply
    38,215.53x = 57,288.74 × 13,585.77
  4. Step 4: Simplify right side
    38,215.53x = 778,311,577.30
  5. Step 5: Solve for x
    x = 778,311,577.30/38,215.53
  6. Step 6: Final answer
    x = 20,366.37

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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.