Home / 21,585.64-29,744.10-14,873.32

Finding the Fourth Proportional to 21,585.64, 29,744.10 and 14,873.32

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Solution

The fourth proportional to 21,585.64, 29,744.10 and 14,873.32 is: 20,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.64 : 29,744.10 = 14,873.32 : x
  2. Step 2: Convert to fraction form
    21,585.64/29,744.10 = 14,873.32/x
  3. Step 3: Cross multiply
    21,585.64x = 29,744.10 × 14,873.32
  4. Step 4: Simplify right side
    21,585.64x = 442,393,517.41
  5. Step 5: Solve for x
    x = 442,393,517.41/21,585.64
  6. Step 6: Final answer
    x = 20,494.81

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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.