Home / 25,435.02-38,145.60-10,641.54

Finding the Fourth Proportional to 25,435.02, 38,145.60 and 10,641.54

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Solution

The fourth proportional to 25,435.02, 38,145.60 and 10,641.54 is: 15,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.02 : 38,145.60 = 10,641.54 : x
  2. Step 2: Convert to fraction form
    25,435.02/38,145.60 = 10,641.54/x
  3. Step 3: Cross multiply
    25,435.02x = 38,145.60 × 10,641.54
  4. Step 4: Simplify right side
    25,435.02x = 405,927,928.22
  5. Step 5: Solve for x
    x = 405,927,928.22/25,435.02
  6. Step 6: Final answer
    x = 15,959.41

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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.