Home / 28,086.30-42,099.48-14,018.64

Finding the Fourth Proportional to 28,086.30, 42,099.48 and 14,018.64

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Solution

The fourth proportional to 28,086.30, 42,099.48 and 14,018.64 is: 21,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.30 : 42,099.48 = 14,018.64 : x
  2. Step 2: Convert to fraction form
    28,086.30/42,099.48 = 14,018.64/x
  3. Step 3: Cross multiply
    28,086.30x = 42,099.48 × 14,018.64
  4. Step 4: Simplify right side
    28,086.30x = 590,177,454.31
  5. Step 5: Solve for x
    x = 590,177,454.31/28,086.30
  6. Step 6: Final answer
    x = 21,013.00

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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.