Home / 25,826.65-35,630.48-15,754.30

Finding the Fourth Proportional to 25,826.65, 35,630.48 and 15,754.30

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Solution

The fourth proportional to 25,826.65, 35,630.48 and 15,754.30 is: 21,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.65 : 35,630.48 = 15,754.30 : x
  2. Step 2: Convert to fraction form
    25,826.65/35,630.48 = 15,754.30/x
  3. Step 3: Cross multiply
    25,826.65x = 35,630.48 × 15,754.30
  4. Step 4: Simplify right side
    25,826.65x = 561,333,221.37
  5. Step 5: Solve for x
    x = 561,333,221.37/25,826.65
  6. Step 6: Final answer
    x = 21,734.65

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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.