Home / 26,445.32-39,663.71-7,720.95

Finding the Fourth Proportional to 26,445.32, 39,663.71 and 7,720.95

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Solution

The fourth proportional to 26,445.32, 39,663.71 and 7,720.95 is: 11,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.32 : 39,663.71 = 7,720.95 : x
  2. Step 2: Convert to fraction form
    26,445.32/39,663.71 = 7,720.95/x
  3. Step 3: Cross multiply
    26,445.32x = 39,663.71 × 7,720.95
  4. Step 4: Simplify right side
    26,445.32x = 306,241,483.12
  5. Step 5: Solve for x
    x = 306,241,483.12/26,445.32
  6. Step 6: Final answer
    x = 11,580.18

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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.