Home / 21,670.56-29,896.46-14,599.28

Finding the Fourth Proportional to 21,670.56, 29,896.46 and 14,599.28

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Solution

The fourth proportional to 21,670.56, 29,896.46 and 14,599.28 is: 20,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.56 : 29,896.46 = 14,599.28 : x
  2. Step 2: Convert to fraction form
    21,670.56/29,896.46 = 14,599.28/x
  3. Step 3: Cross multiply
    21,670.56x = 29,896.46 × 14,599.28
  4. Step 4: Simplify right side
    21,670.56x = 436,466,790.55
  5. Step 5: Solve for x
    x = 436,466,790.55/21,670.56
  6. Step 6: Final answer
    x = 20,141.00

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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.