Home / 64,386.40-96,568.80-17,628.16

Finding the Fourth Proportional to 64,386.40, 96,568.80 and 17,628.16

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Solution

The fourth proportional to 64,386.40, 96,568.80 and 17,628.16 is: 26,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,386.40 : 96,568.80 = 17,628.16 : x
  2. Step 2: Convert to fraction form
    64,386.40/96,568.80 = 17,628.16/x
  3. Step 3: Cross multiply
    64,386.40x = 96,568.80 × 17,628.16
  4. Step 4: Simplify right side
    64,386.40x = 1,702,330,257.41
  5. Step 5: Solve for x
    x = 1,702,330,257.41/64,386.40
  6. Step 6: Final answer
    x = 26,439.28

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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.