Home / 38,586.08-57,880.33-13,285.32

Finding the Fourth Proportional to 38,586.08, 57,880.33 and 13,285.32

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Solution

The fourth proportional to 38,586.08, 57,880.33 and 13,285.32 is: 19,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.08 : 57,880.33 = 13,285.32 : x
  2. Step 2: Convert to fraction form
    38,586.08/57,880.33 = 13,285.32/x
  3. Step 3: Cross multiply
    38,586.08x = 57,880.33 × 13,285.32
  4. Step 4: Simplify right side
    38,586.08x = 768,958,705.76
  5. Step 5: Solve for x
    x = 768,958,705.76/38,586.08
  6. Step 6: Final answer
    x = 19,928.40

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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.