Home / 28,640.90-42,977.74-16,001.25

Finding the Fourth Proportional to 28,640.90, 42,977.74 and 16,001.25

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Solution

The fourth proportional to 28,640.90, 42,977.74 and 16,001.25 is: 24,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.90 : 42,977.74 = 16,001.25 : x
  2. Step 2: Convert to fraction form
    28,640.90/42,977.74 = 16,001.25/x
  3. Step 3: Cross multiply
    28,640.90x = 42,977.74 × 16,001.25
  4. Step 4: Simplify right side
    28,640.90x = 687,697,562.18
  5. Step 5: Solve for x
    x = 687,697,562.18/28,640.90
  6. Step 6: Final answer
    x = 24,011.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.