Home / 28,801.50-39,748.08-16,226.28

Finding the Fourth Proportional to 28,801.50, 39,748.08 and 16,226.28

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Solution

The fourth proportional to 28,801.50, 39,748.08 and 16,226.28 is: 22,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.50 : 39,748.08 = 16,226.28 : x
  2. Step 2: Convert to fraction form
    28,801.50/39,748.08 = 16,226.28/x
  3. Step 3: Cross multiply
    28,801.50x = 39,748.08 × 16,226.28
  4. Step 4: Simplify right side
    28,801.50x = 644,963,475.54
  5. Step 5: Solve for x
    x = 644,963,475.54/28,801.50
  6. Step 6: Final answer
    x = 22,393.40

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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.