Home / 25,215.17-34,796.40-13,884.08

Finding the Fourth Proportional to 25,215.17, 34,796.40 and 13,884.08

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Solution

The fourth proportional to 25,215.17, 34,796.40 and 13,884.08 is: 19,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.17 : 34,796.40 = 13,884.08 : x
  2. Step 2: Convert to fraction form
    25,215.17/34,796.40 = 13,884.08/x
  3. Step 3: Cross multiply
    25,215.17x = 34,796.40 × 13,884.08
  4. Step 4: Simplify right side
    25,215.17x = 483,116,001.31
  5. Step 5: Solve for x
    x = 483,116,001.31/25,215.17
  6. Step 6: Final answer
    x = 19,159.74

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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.