Home / 18,296.95-25,267.73-15,628.81

Finding the Fourth Proportional to 18,296.95, 25,267.73 and 15,628.81

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Solution

The fourth proportional to 18,296.95, 25,267.73 and 15,628.81 is: 21,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.95 : 25,267.73 = 15,628.81 : x
  2. Step 2: Convert to fraction form
    18,296.95/25,267.73 = 15,628.81/x
  3. Step 3: Cross multiply
    18,296.95x = 25,267.73 × 15,628.81
  4. Step 4: Simplify right side
    18,296.95x = 394,904,346.82
  5. Step 5: Solve for x
    x = 394,904,346.82/18,296.95
  6. Step 6: Final answer
    x = 21,583.08

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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.