Home / 28,313.54-42,289.26-25,641.15

Finding the Fourth Proportional to 28,313.54, 42,289.26 and 25,641.15

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Solution

The fourth proportional to 28,313.54, 42,289.26 and 25,641.15 is: 38,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.54 : 42,289.26 = 25,641.15 : x
  2. Step 2: Convert to fraction form
    28,313.54/42,289.26 = 25,641.15/x
  3. Step 3: Cross multiply
    28,313.54x = 42,289.26 × 25,641.15
  4. Step 4: Simplify right side
    28,313.54x = 1,084,345,259.05
  5. Step 5: Solve for x
    x = 1,084,345,259.05/28,313.54
  6. Step 6: Final answer
    x = 38,297.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.