Home / 25,389.10-38,058.54-12,038.61

Finding the Fourth Proportional to 25,389.10, 38,058.54 and 12,038.61

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Solution

The fourth proportional to 25,389.10, 38,058.54 and 12,038.61 is: 18,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.10 : 38,058.54 = 12,038.61 : x
  2. Step 2: Convert to fraction form
    25,389.10/38,058.54 = 12,038.61/x
  3. Step 3: Cross multiply
    25,389.10x = 38,058.54 × 12,038.61
  4. Step 4: Simplify right side
    25,389.10x = 458,171,920.23
  5. Step 5: Solve for x
    x = 458,171,920.23/25,389.10
  6. Step 6: Final answer
    x = 18,046.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.