Home / 20,216.04-30,334.59-15,284.22

Finding the Fourth Proportional to 20,216.04, 30,334.59 and 15,284.22

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Solution

The fourth proportional to 20,216.04, 30,334.59 and 15,284.22 is: 22,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.04 : 30,334.59 = 15,284.22 : x
  2. Step 2: Convert to fraction form
    20,216.04/30,334.59 = 15,284.22/x
  3. Step 3: Cross multiply
    20,216.04x = 30,334.59 × 15,284.22
  4. Step 4: Simplify right side
    20,216.04x = 463,640,547.17
  5. Step 5: Solve for x
    x = 463,640,547.17/20,216.04
  6. Step 6: Final answer
    x = 22,934.29

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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.