Home / 22,416.47-30,966.16-21,235.49

Finding the Fourth Proportional to 22,416.47, 30,966.16 and 21,235.49

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Solution

The fourth proportional to 22,416.47, 30,966.16 and 21,235.49 is: 29,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.47 : 30,966.16 = 21,235.49 : x
  2. Step 2: Convert to fraction form
    22,416.47/30,966.16 = 21,235.49/x
  3. Step 3: Cross multiply
    22,416.47x = 30,966.16 × 21,235.49
  4. Step 4: Simplify right side
    22,416.47x = 657,581,581.02
  5. Step 5: Solve for x
    x = 657,581,581.02/22,416.47
  6. Step 6: Final answer
    x = 29,334.75

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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.