Home / 21,941.01-32,916.38-12,075.21

Finding the Fourth Proportional to 21,941.01, 32,916.38 and 12,075.21

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Solution

The fourth proportional to 21,941.01, 32,916.38 and 12,075.21 is: 18,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.01 : 32,916.38 = 12,075.21 : x
  2. Step 2: Convert to fraction form
    21,941.01/32,916.38 = 12,075.21/x
  3. Step 3: Cross multiply
    21,941.01x = 32,916.38 × 12,075.21
  4. Step 4: Simplify right side
    21,941.01x = 397,472,140.56
  5. Step 5: Solve for x
    x = 397,472,140.56/21,941.01
  6. Step 6: Final answer
    x = 18,115.49

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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.