Home / 28,414.49-39,214.13-16,477.72

Finding the Fourth Proportional to 28,414.49, 39,214.13 and 16,477.72

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Solution

The fourth proportional to 28,414.49, 39,214.13 and 16,477.72 is: 22,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.49 : 39,214.13 = 16,477.72 : x
  2. Step 2: Convert to fraction form
    28,414.49/39,214.13 = 16,477.72/x
  3. Step 3: Cross multiply
    28,414.49x = 39,214.13 × 16,477.72
  4. Step 4: Simplify right side
    28,414.49x = 646,159,593.41
  5. Step 5: Solve for x
    x = 646,159,593.41/28,414.49
  6. Step 6: Final answer
    x = 22,740.50

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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.