Home / 28,156.41-42,240.83-10,626.39

Finding the Fourth Proportional to 28,156.41, 42,240.83 and 10,626.39

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Solution

The fourth proportional to 28,156.41, 42,240.83 and 10,626.39 is: 15,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.41 : 42,240.83 = 10,626.39 : x
  2. Step 2: Convert to fraction form
    28,156.41/42,240.83 = 10,626.39/x
  3. Step 3: Cross multiply
    28,156.41x = 42,240.83 × 10,626.39
  4. Step 4: Simplify right side
    28,156.41x = 448,867,639.11
  5. Step 5: Solve for x
    x = 448,867,639.11/28,156.41
  6. Step 6: Final answer
    x = 15,941.93

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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.