Home / 21,467.60-32,199.80-10,931.02

Finding the Fourth Proportional to 21,467.60, 32,199.80 and 10,931.02

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Solution

The fourth proportional to 21,467.60, 32,199.80 and 10,931.02 is: 16,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.60 : 32,199.80 = 10,931.02 : x
  2. Step 2: Convert to fraction form
    21,467.60/32,199.80 = 10,931.02/x
  3. Step 3: Cross multiply
    21,467.60x = 32,199.80 × 10,931.02
  4. Step 4: Simplify right side
    21,467.60x = 351,976,657.80
  5. Step 5: Solve for x
    x = 351,976,657.80/21,467.60
  6. Step 6: Final answer
    x = 16,395.72

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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.