Home / 28,970.72-43,462.20-9,246.80

Finding the Fourth Proportional to 28,970.72, 43,462.20 and 9,246.80

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Solution

The fourth proportional to 28,970.72, 43,462.20 and 9,246.80 is: 13,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.72 : 43,462.20 = 9,246.80 : x
  2. Step 2: Convert to fraction form
    28,970.72/43,462.20 = 9,246.80/x
  3. Step 3: Cross multiply
    28,970.72x = 43,462.20 × 9,246.80
  4. Step 4: Simplify right side
    28,970.72x = 401,886,270.96
  5. Step 5: Solve for x
    x = 401,886,270.96/28,970.72
  6. Step 6: Final answer
    x = 13,872.15

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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.