Home / 47,515.03-65,566.29-28,391

Finding the Fourth Proportional to 47,515.03, 65,566.29 and 28,391

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Solution

The fourth proportional to 47,515.03, 65,566.29 and 28,391 is: 39,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.03 : 65,566.29 = 28,391 : x
  2. Step 2: Convert to fraction form
    47,515.03/65,566.29 = 28,391/x
  3. Step 3: Cross multiply
    47,515.03x = 65,566.29 × 28,391
  4. Step 4: Simplify right side
    47,515.03x = 1,861,492,539.39
  5. Step 5: Solve for x
    x = 1,861,492,539.39/47,515.03
  6. Step 6: Final answer
    x = 39,176.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.