Home / 28,183.93-42,208.79-16,312.71

Finding the Fourth Proportional to 28,183.93, 42,208.79 and 16,312.71

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Solution

The fourth proportional to 28,183.93, 42,208.79 and 16,312.71 is: 24,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.93 : 42,208.79 = 16,312.71 : x
  2. Step 2: Convert to fraction form
    28,183.93/42,208.79 = 16,312.71/x
  3. Step 3: Cross multiply
    28,183.93x = 42,208.79 × 16,312.71
  4. Step 4: Simplify right side
    28,183.93x = 688,539,539.68
  5. Step 5: Solve for x
    x = 688,539,539.68/28,183.93
  6. Step 6: Final answer
    x = 24,430.22

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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.