Home / 28,339.38-42,475.86-15,201.18

Finding the Fourth Proportional to 28,339.38, 42,475.86 and 15,201.18

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Solution

The fourth proportional to 28,339.38, 42,475.86 and 15,201.18 is: 22,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.38 : 42,475.86 = 15,201.18 : x
  2. Step 2: Convert to fraction form
    28,339.38/42,475.86 = 15,201.18/x
  3. Step 3: Cross multiply
    28,339.38x = 42,475.86 × 15,201.18
  4. Step 4: Simplify right side
    28,339.38x = 645,683,193.51
  5. Step 5: Solve for x
    x = 645,683,193.51/28,339.38
  6. Step 6: Final answer
    x = 22,783.96

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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.