Home / 22,241.60-30,678.88-14,271.20

Finding the Fourth Proportional to 22,241.60, 30,678.88 and 14,271.20

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Solution

The fourth proportional to 22,241.60, 30,678.88 and 14,271.20 is: 19,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.60 : 30,678.88 = 14,271.20 : x
  2. Step 2: Convert to fraction form
    22,241.60/30,678.88 = 14,271.20/x
  3. Step 3: Cross multiply
    22,241.60x = 30,678.88 × 14,271.20
  4. Step 4: Simplify right side
    22,241.60x = 437,824,432.26
  5. Step 5: Solve for x
    x = 437,824,432.26/22,241.60
  6. Step 6: Final answer
    x = 19,684.93

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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.