Home / 25,029.79-34,540.81-13,699.17

Finding the Fourth Proportional to 25,029.79, 34,540.81 and 13,699.17

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Solution

The fourth proportional to 25,029.79, 34,540.81 and 13,699.17 is: 18,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.79 : 34,540.81 = 13,699.17 : x
  2. Step 2: Convert to fraction form
    25,029.79/34,540.81 = 13,699.17/x
  3. Step 3: Cross multiply
    25,029.79x = 34,540.81 × 13,699.17
  4. Step 4: Simplify right side
    25,029.79x = 473,180,393.88
  5. Step 5: Solve for x
    x = 473,180,393.88/25,029.79
  6. Step 6: Final answer
    x = 18,904.69

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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.