Home / 22,307.60-30,794.26-15,619.45

Finding the Fourth Proportional to 22,307.60, 30,794.26 and 15,619.45

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Solution

The fourth proportional to 22,307.60, 30,794.26 and 15,619.45 is: 21,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.60 : 30,794.26 = 15,619.45 : x
  2. Step 2: Convert to fraction form
    22,307.60/30,794.26 = 15,619.45/x
  3. Step 3: Cross multiply
    22,307.60x = 30,794.26 × 15,619.45
  4. Step 4: Simplify right side
    22,307.60x = 480,989,250.39
  5. Step 5: Solve for x
    x = 480,989,250.39/22,307.60
  6. Step 6: Final answer
    x = 21,561.68

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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.