Home / 25,915.74-35,752.45-15,844.60

Finding the Fourth Proportional to 25,915.74, 35,752.45 and 15,844.60

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Solution

The fourth proportional to 25,915.74, 35,752.45 and 15,844.60 is: 21,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.74 : 35,752.45 = 15,844.60 : x
  2. Step 2: Convert to fraction form
    25,915.74/35,752.45 = 15,844.60/x
  3. Step 3: Cross multiply
    25,915.74x = 35,752.45 × 15,844.60
  4. Step 4: Simplify right side
    25,915.74x = 566,483,269.27
  5. Step 5: Solve for x
    x = 566,483,269.27/25,915.74
  6. Step 6: Final answer
    x = 21,858.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.