Home / 25,930.24-35,784.46-15,858.50

Finding the Fourth Proportional to 25,930.24, 35,784.46 and 15,858.50

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Solution

The fourth proportional to 25,930.24, 35,784.46 and 15,858.50 is: 21,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.24 : 35,784.46 = 15,858.50 : x
  2. Step 2: Convert to fraction form
    25,930.24/35,784.46 = 15,858.50/x
  3. Step 3: Cross multiply
    25,930.24x = 35,784.46 × 15,858.50
  4. Step 4: Simplify right side
    25,930.24x = 567,487,858.91
  5. Step 5: Solve for x
    x = 567,487,858.91/25,930.24
  6. Step 6: Final answer
    x = 21,885.18

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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.