Home / 28,201.95-42,297.63-14,158.20

Finding the Fourth Proportional to 28,201.95, 42,297.63 and 14,158.20

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Solution

The fourth proportional to 28,201.95, 42,297.63 and 14,158.20 is: 21,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.95 : 42,297.63 = 14,158.20 : x
  2. Step 2: Convert to fraction form
    28,201.95/42,297.63 = 14,158.20/x
  3. Step 3: Cross multiply
    28,201.95x = 42,297.63 × 14,158.20
  4. Step 4: Simplify right side
    28,201.95x = 598,858,305.07
  5. Step 5: Solve for x
    x = 598,858,305.07/28,201.95
  6. Step 6: Final answer
    x = 21,234.64

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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.