Home / 21,931.91-32,833.77-16,334.40

Finding the Fourth Proportional to 21,931.91, 32,833.77 and 16,334.40

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Solution

The fourth proportional to 21,931.91, 32,833.77 and 16,334.40 is: 24,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.91 : 32,833.77 = 16,334.40 : x
  2. Step 2: Convert to fraction form
    21,931.91/32,833.77 = 16,334.40/x
  3. Step 3: Cross multiply
    21,931.91x = 32,833.77 × 16,334.40
  4. Step 4: Simplify right side
    21,931.91x = 536,319,851.02
  5. Step 5: Solve for x
    x = 536,319,851.02/21,931.91
  6. Step 6: Final answer
    x = 24,453.87

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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.