Home / 28,169.85-42,260.41-10,400.62

Finding the Fourth Proportional to 28,169.85, 42,260.41 and 10,400.62

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Solution

The fourth proportional to 28,169.85, 42,260.41 and 10,400.62 is: 15,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.85 : 42,260.41 = 10,400.62 : x
  2. Step 2: Convert to fraction form
    28,169.85/42,260.41 = 10,400.62/x
  3. Step 3: Cross multiply
    28,169.85x = 42,260.41 × 10,400.62
  4. Step 4: Simplify right side
    28,169.85x = 439,534,254.15
  5. Step 5: Solve for x
    x = 439,534,254.15/28,169.85
  6. Step 6: Final answer
    x = 15,603.00

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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.