Home / 25,709.04-35,479.92-15,101.76

Finding the Fourth Proportional to 25,709.04, 35,479.92 and 15,101.76

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Solution

The fourth proportional to 25,709.04, 35,479.92 and 15,101.76 is: 20,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.04 : 35,479.92 = 15,101.76 : x
  2. Step 2: Convert to fraction form
    25,709.04/35,479.92 = 15,101.76/x
  3. Step 3: Cross multiply
    25,709.04x = 35,479.92 × 15,101.76
  4. Step 4: Simplify right side
    25,709.04x = 535,809,236.66
  5. Step 5: Solve for x
    x = 535,809,236.66/25,709.04
  6. Step 6: Final answer
    x = 20,841.28

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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.