Home / 21,530.30-32,295.40-5,947.88

Finding the Fourth Proportional to 21,530.30, 32,295.40 and 5,947.88

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Solution

The fourth proportional to 21,530.30, 32,295.40 and 5,947.88 is: 8,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530.30 : 32,295.40 = 5,947.88 : x
  2. Step 2: Convert to fraction form
    21,530.30/32,295.40 = 5,947.88/x
  3. Step 3: Cross multiply
    21,530.30x = 32,295.40 × 5,947.88
  4. Step 4: Simplify right side
    21,530.30x = 192,088,987.41
  5. Step 5: Solve for x
    x = 192,088,987.41/21,530.30
  6. Step 6: Final answer
    x = 8,921.80

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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.