Home / 28,424.22-42,636.59-10,889.88

Finding the Fourth Proportional to 28,424.22, 42,636.59 and 10,889.88

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Solution

The fourth proportional to 28,424.22, 42,636.59 and 10,889.88 is: 16,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.22 : 42,636.59 = 10,889.88 : x
  2. Step 2: Convert to fraction form
    28,424.22/42,636.59 = 10,889.88/x
  3. Step 3: Cross multiply
    28,424.22x = 42,636.59 × 10,889.88
  4. Step 4: Simplify right side
    28,424.22x = 464,307,348.71
  5. Step 5: Solve for x
    x = 464,307,348.71/28,424.22
  6. Step 6: Final answer
    x = 16,334.92

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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.