Home / 21,693.64-32,451.36-17,319.64

Finding the Fourth Proportional to 21,693.64, 32,451.36 and 17,319.64

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Solution

The fourth proportional to 21,693.64, 32,451.36 and 17,319.64 is: 25,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.64 : 32,451.36 = 17,319.64 : x
  2. Step 2: Convert to fraction form
    21,693.64/32,451.36 = 17,319.64/x
  3. Step 3: Cross multiply
    21,693.64x = 32,451.36 × 17,319.64
  4. Step 4: Simplify right side
    21,693.64x = 562,045,872.71
  5. Step 5: Solve for x
    x = 562,045,872.71/21,693.64
  6. Step 6: Final answer
    x = 25,908.32

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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.