Home / 28,106.55-42,176.03-10,588.95

Finding the Fourth Proportional to 28,106.55, 42,176.03 and 10,588.95

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Solution

The fourth proportional to 28,106.55, 42,176.03 and 10,588.95 is: 15,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.55 : 42,176.03 = 10,588.95 : x
  2. Step 2: Convert to fraction form
    28,106.55/42,176.03 = 10,588.95/x
  3. Step 3: Cross multiply
    28,106.55x = 42,176.03 × 10,588.95
  4. Step 4: Simplify right side
    28,106.55x = 446,599,819.92
  5. Step 5: Solve for x
    x = 446,599,819.92/28,106.55
  6. Step 6: Final answer
    x = 15,889.53

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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.