Home / 28,573.18-39,433.43-16,637.63

Finding the Fourth Proportional to 28,573.18, 39,433.43 and 16,637.63

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Solution

The fourth proportional to 28,573.18, 39,433.43 and 16,637.63 is: 22,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.18 : 39,433.43 = 16,637.63 : x
  2. Step 2: Convert to fraction form
    28,573.18/39,433.43 = 16,637.63/x
  3. Step 3: Cross multiply
    28,573.18x = 39,433.43 × 16,637.63
  4. Step 4: Simplify right side
    28,573.18x = 656,078,662.40
  5. Step 5: Solve for x
    x = 656,078,662.40/28,573.18
  6. Step 6: Final answer
    x = 22,961.35

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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.