Home / 28,461.49-39,274.68-16,522.90

Finding the Fourth Proportional to 28,461.49, 39,274.68 and 16,522.90

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Solution

The fourth proportional to 28,461.49, 39,274.68 and 16,522.90 is: 22,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.49 : 39,274.68 = 16,522.90 : x
  2. Step 2: Convert to fraction form
    28,461.49/39,274.68 = 16,522.90/x
  3. Step 3: Cross multiply
    28,461.49x = 39,274.68 × 16,522.90
  4. Step 4: Simplify right side
    28,461.49x = 648,931,610.17
  5. Step 5: Solve for x
    x = 648,931,610.17/28,461.49
  6. Step 6: Final answer
    x = 22,800.34

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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.