Home / 65,695.62-98,403.09-28,206.81

Finding the Fourth Proportional to 65,695.62, 98,403.09 and 28,206.81

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Solution

The fourth proportional to 65,695.62, 98,403.09 and 28,206.81 is: 42,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,695.62 : 98,403.09 = 28,206.81 : x
  2. Step 2: Convert to fraction form
    65,695.62/98,403.09 = 28,206.81/x
  3. Step 3: Cross multiply
    65,695.62x = 98,403.09 × 28,206.81
  4. Step 4: Simplify right side
    65,695.62x = 2,775,637,263.04
  5. Step 5: Solve for x
    x = 2,775,637,263.04/65,695.62
  6. Step 6: Final answer
    x = 42,249.96

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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.