Home / 21,444.26-29,579.28-15,466.46

Finding the Fourth Proportional to 21,444.26, 29,579.28 and 15,466.46

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Solution

The fourth proportional to 21,444.26, 29,579.28 and 15,466.46 is: 21,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.26 : 29,579.28 = 15,466.46 : x
  2. Step 2: Convert to fraction form
    21,444.26/29,579.28 = 15,466.46/x
  3. Step 3: Cross multiply
    21,444.26x = 29,579.28 × 15,466.46
  4. Step 4: Simplify right side
    21,444.26x = 457,486,750.95
  5. Step 5: Solve for x
    x = 457,486,750.95/21,444.26
  6. Step 6: Final answer
    x = 21,333.76

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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.