Home / 25,570.78-38,353.74-8,930.98

Finding the Fourth Proportional to 25,570.78, 38,353.74 and 8,930.98

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Solution

The fourth proportional to 25,570.78, 38,353.74 and 8,930.98 is: 13,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.78 : 38,353.74 = 8,930.98 : x
  2. Step 2: Convert to fraction form
    25,570.78/38,353.74 = 8,930.98/x
  3. Step 3: Cross multiply
    25,570.78x = 38,353.74 × 8,930.98
  4. Step 4: Simplify right side
    25,570.78x = 342,536,484.87
  5. Step 5: Solve for x
    x = 342,536,484.87/25,570.78
  6. Step 6: Final answer
    x = 13,395.62

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1.5x scale

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.