Home / 25,137.48-34,689.80-13,652.43

Finding the Fourth Proportional to 25,137.48, 34,689.80 and 13,652.43

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Solution

The fourth proportional to 25,137.48, 34,689.80 and 13,652.43 is: 18,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.48 : 34,689.80 = 13,652.43 : x
  2. Step 2: Convert to fraction form
    25,137.48/34,689.80 = 13,652.43/x
  3. Step 3: Cross multiply
    25,137.48x = 34,689.80 × 13,652.43
  4. Step 4: Simplify right side
    25,137.48x = 473,600,066.21
  5. Step 5: Solve for x
    x = 473,600,066.21/25,137.48
  6. Step 6: Final answer
    x = 18,840.40

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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.