Home / 28,836.12-43,254.18-11,314.20

Finding the Fourth Proportional to 28,836.12, 43,254.18 and 11,314.20

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Solution

The fourth proportional to 28,836.12, 43,254.18 and 11,314.20 is: 16,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.12 : 43,254.18 = 11,314.20 : x
  2. Step 2: Convert to fraction form
    28,836.12/43,254.18 = 11,314.20/x
  3. Step 3: Cross multiply
    28,836.12x = 43,254.18 × 11,314.20
  4. Step 4: Simplify right side
    28,836.12x = 489,386,443.36
  5. Step 5: Solve for x
    x = 489,386,443.36/28,836.12
  6. Step 6: Final answer
    x = 16,971.30

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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.