Home / 19,276.84-28,916.25-5,426.92

Finding the Fourth Proportional to 19,276.84, 28,916.25 and 5,426.92

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Solution

The fourth proportional to 19,276.84, 28,916.25 and 5,426.92 is: 8,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.84 : 28,916.25 = 5,426.92 : x
  2. Step 2: Convert to fraction form
    19,276.84/28,916.25 = 5,426.92/x
  3. Step 3: Cross multiply
    19,276.84x = 28,916.25 × 5,426.92
  4. Step 4: Simplify right side
    19,276.84x = 156,926,175.45
  5. Step 5: Solve for x
    x = 156,926,175.45/19,276.84
  6. Step 6: Final answer
    x = 8,140.66

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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.