Home / 20,184.36-30,298.32-15,307.28

Finding the Fourth Proportional to 20,184.36, 30,298.32 and 15,307.28

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Solution

The fourth proportional to 20,184.36, 30,298.32 and 15,307.28 is: 22,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.36 : 30,298.32 = 15,307.28 : x
  2. Step 2: Convert to fraction form
    20,184.36/30,298.32 = 15,307.28/x
  3. Step 3: Cross multiply
    20,184.36x = 30,298.32 × 15,307.28
  4. Step 4: Simplify right side
    20,184.36x = 463,784,867.77
  5. Step 5: Solve for x
    x = 463,784,867.77/20,184.36
  6. Step 6: Final answer
    x = 22,977.44

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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.