Home / 21,296.04-31,777.50-19,082.24

Finding the Fourth Proportional to 21,296.04, 31,777.50 and 19,082.24

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Solution

The fourth proportional to 21,296.04, 31,777.50 and 19,082.24 is: 28,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.04 : 31,777.50 = 19,082.24 : x
  2. Step 2: Convert to fraction form
    21,296.04/31,777.50 = 19,082.24/x
  3. Step 3: Cross multiply
    21,296.04x = 31,777.50 × 19,082.24
  4. Step 4: Simplify right side
    21,296.04x = 606,385,881.60
  5. Step 5: Solve for x
    x = 606,385,881.60/21,296.04
  6. Step 6: Final answer
    x = 28,474.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.