Home / 22,966.36-31,688.22-16,667.80

Finding the Fourth Proportional to 22,966.36, 31,688.22 and 16,667.80

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Solution

The fourth proportional to 22,966.36, 31,688.22 and 16,667.80 is: 22,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.36 : 31,688.22 = 16,667.80 : x
  2. Step 2: Convert to fraction form
    22,966.36/31,688.22 = 16,667.80/x
  3. Step 3: Cross multiply
    22,966.36x = 31,688.22 × 16,667.80
  4. Step 4: Simplify right side
    22,966.36x = 528,172,913.32
  5. Step 5: Solve for x
    x = 528,172,913.32/22,966.36
  6. Step 6: Final answer
    x = 22,997.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.