Home / 28,040.67-42,048.69-10,498.20

Finding the Fourth Proportional to 28,040.67, 42,048.69 and 10,498.20

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Solution

The fourth proportional to 28,040.67, 42,048.69 and 10,498.20 is: 15,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.67 : 42,048.69 = 10,498.20 : x
  2. Step 2: Convert to fraction form
    28,040.67/42,048.69 = 10,498.20/x
  3. Step 3: Cross multiply
    28,040.67x = 42,048.69 × 10,498.20
  4. Step 4: Simplify right side
    28,040.67x = 441,435,557.36
  5. Step 5: Solve for x
    x = 441,435,557.36/28,040.67
  6. Step 6: Final answer
    x = 15,742.69

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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.