Home / 43,784.24-65,690.13-15,685.14

Finding the Fourth Proportional to 43,784.24, 65,690.13 and 15,685.14

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Solution

The fourth proportional to 43,784.24, 65,690.13 and 15,685.14 is: 23,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.24 : 65,690.13 = 15,685.14 : x
  2. Step 2: Convert to fraction form
    43,784.24/65,690.13 = 15,685.14/x
  3. Step 3: Cross multiply
    43,784.24x = 65,690.13 × 15,685.14
  4. Step 4: Simplify right side
    43,784.24x = 1,030,358,885.67
  5. Step 5: Solve for x
    x = 1,030,358,885.67/43,784.24
  6. Step 6: Final answer
    x = 23,532.65

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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.