Home / 25,478.04-38,189.52-10,695

Finding the Fourth Proportional to 25,478.04, 38,189.52 and 10,695

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Solution

The fourth proportional to 25,478.04, 38,189.52 and 10,695 is: 16,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.04 : 38,189.52 = 10,695 : x
  2. Step 2: Convert to fraction form
    25,478.04/38,189.52 = 10,695/x
  3. Step 3: Cross multiply
    25,478.04x = 38,189.52 × 10,695
  4. Step 4: Simplify right side
    25,478.04x = 408,436,916.40
  5. Step 5: Solve for x
    x = 408,436,916.40/25,478.04
  6. Step 6: Final answer
    x = 16,030.94

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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.