Home / 28,300.82-42,458.90-25,202.34

Finding the Fourth Proportional to 28,300.82, 42,458.90 and 25,202.34

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Solution

The fourth proportional to 28,300.82, 42,458.90 and 25,202.34 is: 37,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.82 : 42,458.90 = 25,202.34 : x
  2. Step 2: Convert to fraction form
    28,300.82/42,458.90 = 25,202.34/x
  3. Step 3: Cross multiply
    28,300.82x = 42,458.90 × 25,202.34
  4. Step 4: Simplify right side
    28,300.82x = 1,070,063,507.81
  5. Step 5: Solve for x
    x = 1,070,063,507.81/28,300.82
  6. Step 6: Final answer
    x = 37,810.34

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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.