Home / 64,215.13-96,323.36-28,678.26

Finding the Fourth Proportional to 64,215.13, 96,323.36 and 28,678.26

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Solution

The fourth proportional to 64,215.13, 96,323.36 and 28,678.26 is: 43,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.13 : 96,323.36 = 28,678.26 : x
  2. Step 2: Convert to fraction form
    64,215.13/96,323.36 = 28,678.26/x
  3. Step 3: Cross multiply
    64,215.13x = 96,323.36 × 28,678.26
  4. Step 4: Simplify right side
    64,215.13x = 2,762,386,362.15
  5. Step 5: Solve for x
    x = 2,762,386,362.15/64,215.13
  6. Step 6: Final answer
    x = 43,017.69

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1.5x scale

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.