Home / 65,931.90-98,925.53-28,472.69

Finding the Fourth Proportional to 65,931.90, 98,925.53 and 28,472.69

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Solution

The fourth proportional to 65,931.90, 98,925.53 and 28,472.69 is: 42,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,931.90 : 98,925.53 = 28,472.69 : x
  2. Step 2: Convert to fraction form
    65,931.90/98,925.53 = 28,472.69/x
  3. Step 3: Cross multiply
    65,931.90x = 98,925.53 × 28,472.69
  4. Step 4: Simplify right side
    65,931.90x = 2,816,675,855.58
  5. Step 5: Solve for x
    x = 2,816,675,855.58/65,931.90
  6. Step 6: Final answer
    x = 42,720.99

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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.