Home / 18,599.04-25,600.32-15,419.52

Finding the Fourth Proportional to 18,599.04, 25,600.32 and 15,419.52

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Solution

The fourth proportional to 18,599.04, 25,600.32 and 15,419.52 is: 21,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.04 : 25,600.32 = 15,419.52 : x
  2. Step 2: Convert to fraction form
    18,599.04/25,600.32 = 15,419.52/x
  3. Step 3: Cross multiply
    18,599.04x = 25,600.32 × 15,419.52
  4. Step 4: Simplify right side
    18,599.04x = 394,744,646.25
  5. Step 5: Solve for x
    x = 394,744,646.25/18,599.04
  6. Step 6: Final answer
    x = 21,223.93

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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.