Home / 21,947.98-32,927.21-7,156.91

Finding the Fourth Proportional to 21,947.98, 32,927.21 and 7,156.91

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Solution

The fourth proportional to 21,947.98, 32,927.21 and 7,156.91 is: 10,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.98 : 32,927.21 = 7,156.91 : x
  2. Step 2: Convert to fraction form
    21,947.98/32,927.21 = 7,156.91/x
  3. Step 3: Cross multiply
    21,947.98x = 32,927.21 × 7,156.91
  4. Step 4: Simplify right side
    21,947.98x = 235,657,125.05
  5. Step 5: Solve for x
    x = 235,657,125.05/21,947.98
  6. Step 6: Final answer
    x = 10,737.08

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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.