Home / 25,528.74-35,230.44-15,458.94

Finding the Fourth Proportional to 25,528.74, 35,230.44 and 15,458.94

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Solution

The fourth proportional to 25,528.74, 35,230.44 and 15,458.94 is: 21,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.74 : 35,230.44 = 15,458.94 : x
  2. Step 2: Convert to fraction form
    25,528.74/35,230.44 = 15,458.94/x
  3. Step 3: Cross multiply
    25,528.74x = 35,230.44 × 15,458.94
  4. Step 4: Simplify right side
    25,528.74x = 544,625,258.13
  5. Step 5: Solve for x
    x = 544,625,258.13/25,528.74
  6. Step 6: Final answer
    x = 21,333.81

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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.