Home / 28,209.44-42,303.21-15,054.63

Finding the Fourth Proportional to 28,209.44, 42,303.21 and 15,054.63

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Solution

The fourth proportional to 28,209.44, 42,303.21 and 15,054.63 is: 22,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.44 : 42,303.21 = 15,054.63 : x
  2. Step 2: Convert to fraction form
    28,209.44/42,303.21 = 15,054.63/x
  3. Step 3: Cross multiply
    28,209.44x = 42,303.21 × 15,054.63
  4. Step 4: Simplify right side
    28,209.44x = 636,859,174.36
  5. Step 5: Solve for x
    x = 636,859,174.36/28,209.44
  6. Step 6: Final answer
    x = 22,576.11

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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.