Home / 15,928.48-23,890.96-4,242.72

Finding the Fourth Proportional to 15,928.48, 23,890.96 and 4,242.72

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Solution

The fourth proportional to 15,928.48, 23,890.96 and 4,242.72 is: 6,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.48 : 23,890.96 = 4,242.72 : x
  2. Step 2: Convert to fraction form
    15,928.48/23,890.96 = 4,242.72/x
  3. Step 3: Cross multiply
    15,928.48x = 23,890.96 × 4,242.72
  4. Step 4: Simplify right side
    15,928.48x = 101,362,653.81
  5. Step 5: Solve for x
    x = 101,362,653.81/15,928.48
  6. Step 6: Final answer
    x = 6,363.61

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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.