Home / 21,952.61-32,864.65-13,607.45

Finding the Fourth Proportional to 21,952.61, 32,864.65 and 13,607.45

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Solution

The fourth proportional to 21,952.61, 32,864.65 and 13,607.45 is: 20,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.61 : 32,864.65 = 13,607.45 : x
  2. Step 2: Convert to fraction form
    21,952.61/32,864.65 = 13,607.45/x
  3. Step 3: Cross multiply
    21,952.61x = 32,864.65 × 13,607.45
  4. Step 4: Simplify right side
    21,952.61x = 447,204,081.64
  5. Step 5: Solve for x
    x = 447,204,081.64/21,952.61
  6. Step 6: Final answer
    x = 20,371.34

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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.