Home / 17,628.76-26,429.27-8,737.98

Finding the Fourth Proportional to 17,628.76, 26,429.27 and 8,737.98

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Solution

The fourth proportional to 17,628.76, 26,429.27 and 8,737.98 is: 13,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.76 : 26,429.27 = 8,737.98 : x
  2. Step 2: Convert to fraction form
    17,628.76/26,429.27 = 8,737.98/x
  3. Step 3: Cross multiply
    17,628.76x = 26,429.27 × 8,737.98
  4. Step 4: Simplify right side
    17,628.76x = 230,938,432.67
  5. Step 5: Solve for x
    x = 230,938,432.67/17,628.76
  6. Step 6: Final answer
    x = 13,100.10

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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.