Home / 21,370.72-32,056.08-5,790.64

Finding the Fourth Proportional to 21,370.72, 32,056.08 and 5,790.64

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Solution

The fourth proportional to 21,370.72, 32,056.08 and 5,790.64 is: 8,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.72 : 32,056.08 = 5,790.64 : x
  2. Step 2: Convert to fraction form
    21,370.72/32,056.08 = 5,790.64/x
  3. Step 3: Cross multiply
    21,370.72x = 32,056.08 × 5,790.64
  4. Step 4: Simplify right side
    21,370.72x = 185,625,219.09
  5. Step 5: Solve for x
    x = 185,625,219.09/21,370.72
  6. Step 6: Final answer
    x = 8,685.96

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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.