Home / 29,276.97-40,421.73-19,731.05

Finding the Fourth Proportional to 29,276.97, 40,421.73 and 19,731.05

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Solution

The fourth proportional to 29,276.97, 40,421.73 and 19,731.05 is: 27,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.97 : 40,421.73 = 19,731.05 : x
  2. Step 2: Convert to fraction form
    29,276.97/40,421.73 = 19,731.05/x
  3. Step 3: Cross multiply
    29,276.97x = 40,421.73 × 19,731.05
  4. Step 4: Simplify right side
    29,276.97x = 797,563,389.56
  5. Step 5: Solve for x
    x = 797,563,389.56/29,276.97
  6. Step 6: Final answer
    x = 27,242.00

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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.