Home / 21,534.06-29,731.48-19,258.32

Finding the Fourth Proportional to 21,534.06, 29,731.48 and 19,258.32

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Solution

The fourth proportional to 21,534.06, 29,731.48 and 19,258.32 is: 26,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.06 : 29,731.48 = 19,258.32 : x
  2. Step 2: Convert to fraction form
    21,534.06/29,731.48 = 19,258.32/x
  3. Step 3: Cross multiply
    21,534.06x = 29,731.48 × 19,258.32
  4. Step 4: Simplify right side
    21,534.06x = 572,578,355.91
  5. Step 5: Solve for x
    x = 572,578,355.91/21,534.06
  6. Step 6: Final answer
    x = 26,589.43

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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.