Home / 21,995.40-32,993.10-21,667.35

Finding the Fourth Proportional to 21,995.40, 32,993.10 and 21,667.35

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Solution

The fourth proportional to 21,995.40, 32,993.10 and 21,667.35 is: 32,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.40 : 32,993.10 = 21,667.35 : x
  2. Step 2: Convert to fraction form
    21,995.40/32,993.10 = 21,667.35/x
  3. Step 3: Cross multiply
    21,995.40x = 32,993.10 × 21,667.35
  4. Step 4: Simplify right side
    21,995.40x = 714,873,045.29
  5. Step 5: Solve for x
    x = 714,873,045.29/21,995.40
  6. Step 6: Final answer
    x = 32,501.03

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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.