Home / 20,598.84-30,913.38-15,930.36

Finding the Fourth Proportional to 20,598.84, 30,913.38 and 15,930.36

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Solution

The fourth proportional to 20,598.84, 30,913.38 and 15,930.36 is: 23,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.84 : 30,913.38 = 15,930.36 : x
  2. Step 2: Convert to fraction form
    20,598.84/30,913.38 = 15,930.36/x
  3. Step 3: Cross multiply
    20,598.84x = 30,913.38 × 15,930.36
  4. Step 4: Simplify right side
    20,598.84x = 492,461,272.22
  5. Step 5: Solve for x
    x = 492,461,272.22/20,598.84
  6. Step 6: Final answer
    x = 23,907.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.