Home / 25,573.73-35,296.63-15,507.65

Finding the Fourth Proportional to 25,573.73, 35,296.63 and 15,507.65

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Solution

The fourth proportional to 25,573.73, 35,296.63 and 15,507.65 is: 21,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,573.73 : 35,296.63 = 15,507.65 : x
  2. Step 2: Convert to fraction form
    25,573.73/35,296.63 = 15,507.65/x
  3. Step 3: Cross multiply
    25,573.73x = 35,296.63 × 15,507.65
  4. Step 4: Simplify right side
    25,573.73x = 547,367,833.69
  5. Step 5: Solve for x
    x = 547,367,833.69/25,573.73
  6. Step 6: Final answer
    x = 21,403.52

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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.