Home / 25,811.76-38,721.48-8,038.32

Finding the Fourth Proportional to 25,811.76, 38,721.48 and 8,038.32

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Solution

The fourth proportional to 25,811.76, 38,721.48 and 8,038.32 is: 12,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.76 : 38,721.48 = 8,038.32 : x
  2. Step 2: Convert to fraction form
    25,811.76/38,721.48 = 8,038.32/x
  3. Step 3: Cross multiply
    25,811.76x = 38,721.48 × 8,038.32
  4. Step 4: Simplify right side
    25,811.76x = 311,255,647.11
  5. Step 5: Solve for x
    x = 311,255,647.11/25,811.76
  6. Step 6: Final answer
    x = 12,058.68

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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.