Home / 21,373.27-32,011.74-10,288.28

Finding the Fourth Proportional to 21,373.27, 32,011.74 and 10,288.28

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Solution

The fourth proportional to 21,373.27, 32,011.74 and 10,288.28 is: 15,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.27 : 32,011.74 = 10,288.28 : x
  2. Step 2: Convert to fraction form
    21,373.27/32,011.74 = 10,288.28/x
  3. Step 3: Cross multiply
    21,373.27x = 32,011.74 × 10,288.28
  4. Step 4: Simplify right side
    21,373.27x = 329,345,824.44
  5. Step 5: Solve for x
    x = 329,345,824.44/21,373.27
  6. Step 6: Final answer
    x = 15,409.24

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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.