Home / 19,325.12-28,946-13,050.68

Finding the Fourth Proportional to 19,325.12, 28,946 and 13,050.68

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Solution

The fourth proportional to 19,325.12, 28,946 and 13,050.68 is: 19,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.12 : 28,946 = 13,050.68 : x
  2. Step 2: Convert to fraction form
    19,325.12/28,946 = 13,050.68/x
  3. Step 3: Cross multiply
    19,325.12x = 28,946 × 13,050.68
  4. Step 4: Simplify right side
    19,325.12x = 377,764,983.28
  5. Step 5: Solve for x
    x = 377,764,983.28/19,325.12
  6. Step 6: Final answer
    x = 19,547.87

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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.