Home / 21,643.24-29,850.36-14,927.32

Finding the Fourth Proportional to 21,643.24, 29,850.36 and 14,927.32

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Solution

The fourth proportional to 21,643.24, 29,850.36 and 14,927.32 is: 20,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.24 : 29,850.36 = 14,927.32 : x
  2. Step 2: Convert to fraction form
    21,643.24/29,850.36 = 14,927.32/x
  3. Step 3: Cross multiply
    21,643.24x = 29,850.36 × 14,927.32
  4. Step 4: Simplify right side
    21,643.24x = 445,585,875.84
  5. Step 5: Solve for x
    x = 445,585,875.84/21,643.24
  6. Step 6: Final answer
    x = 20,587.76

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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.