Home / 21,947.61-32,927.56-8,809.21

Finding the Fourth Proportional to 21,947.61, 32,927.56 and 8,809.21

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Solution

The fourth proportional to 21,947.61, 32,927.56 and 8,809.21 is: 13,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.61 : 32,927.56 = 8,809.21 : x
  2. Step 2: Convert to fraction form
    21,947.61/32,927.56 = 8,809.21/x
  3. Step 3: Cross multiply
    21,947.61x = 32,927.56 × 8,809.21
  4. Step 4: Simplify right side
    21,947.61x = 290,065,674.30
  5. Step 5: Solve for x
    x = 290,065,674.30/21,947.61
  6. Step 6: Final answer
    x = 13,216.28

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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.