Home / 25,283.10-37,929.10-8,639.22

Finding the Fourth Proportional to 25,283.10, 37,929.10 and 8,639.22

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Solution

The fourth proportional to 25,283.10, 37,929.10 and 8,639.22 is: 12,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.10 : 37,929.10 = 8,639.22 : x
  2. Step 2: Convert to fraction form
    25,283.10/37,929.10 = 8,639.22/x
  3. Step 3: Cross multiply
    25,283.10x = 37,929.10 × 8,639.22
  4. Step 4: Simplify right side
    25,283.10x = 327,677,839.30
  5. Step 5: Solve for x
    x = 327,677,839.30/25,283.10
  6. Step 6: Final answer
    x = 12,960.35

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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.