Home / 21,399.32-32,031.74-14,696.56

Finding the Fourth Proportional to 21,399.32, 32,031.74 and 14,696.56

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Solution

The fourth proportional to 21,399.32, 32,031.74 and 14,696.56 is: 21,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.32 : 32,031.74 = 14,696.56 : x
  2. Step 2: Convert to fraction form
    21,399.32/32,031.74 = 14,696.56/x
  3. Step 3: Cross multiply
    21,399.32x = 32,031.74 × 14,696.56
  4. Step 4: Simplify right side
    21,399.32x = 470,756,388.81
  5. Step 5: Solve for x
    x = 470,756,388.81/21,399.32
  6. Step 6: Final answer
    x = 21,998.66

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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.