Home / 64,272.77-96,386.58-19,280.72

Finding the Fourth Proportional to 64,272.77, 96,386.58 and 19,280.72

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Solution

The fourth proportional to 64,272.77, 96,386.58 and 19,280.72 is: 28,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.77 : 96,386.58 = 19,280.72 : x
  2. Step 2: Convert to fraction form
    64,272.77/96,386.58 = 19,280.72/x
  3. Step 3: Cross multiply
    64,272.77x = 96,386.58 × 19,280.72
  4. Step 4: Simplify right side
    64,272.77x = 1,858,402,178.80
  5. Step 5: Solve for x
    x = 1,858,402,178.80/64,272.77
  6. Step 6: Final answer
    x = 28,914.30

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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.