Home / 21,760.35-32,643.41-10,667.40

Finding the Fourth Proportional to 21,760.35, 32,643.41 and 10,667.40

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Solution

The fourth proportional to 21,760.35, 32,643.41 and 10,667.40 is: 16,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.35 : 32,643.41 = 10,667.40 : x
  2. Step 2: Convert to fraction form
    21,760.35/32,643.41 = 10,667.40/x
  3. Step 3: Cross multiply
    21,760.35x = 32,643.41 × 10,667.40
  4. Step 4: Simplify right side
    21,760.35x = 348,220,136.08
  5. Step 5: Solve for x
    x = 348,220,136.08/21,760.35
  6. Step 6: Final answer
    x = 16,002.51

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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.