Home / 64,528.52-96,792.76-17,781.40

Finding the Fourth Proportional to 64,528.52, 96,792.76 and 17,781.40

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Solution

The fourth proportional to 64,528.52, 96,792.76 and 17,781.40 is: 26,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,528.52 : 96,792.76 = 17,781.40 : x
  2. Step 2: Convert to fraction form
    64,528.52/96,792.76 = 17,781.40/x
  3. Step 3: Cross multiply
    64,528.52x = 96,792.76 × 17,781.40
  4. Step 4: Simplify right side
    64,528.52x = 1,721,110,782.66
  5. Step 5: Solve for x
    x = 1,721,110,782.66/64,528.52
  6. Step 6: Final answer
    x = 26,672.09

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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.