Home / 28,030.42-42,040.76-10,496.62

Finding the Fourth Proportional to 28,030.42, 42,040.76 and 10,496.62

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Solution

The fourth proportional to 28,030.42, 42,040.76 and 10,496.62 is: 15,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.42 : 42,040.76 = 10,496.62 : x
  2. Step 2: Convert to fraction form
    28,030.42/42,040.76 = 10,496.62/x
  3. Step 3: Cross multiply
    28,030.42x = 42,040.76 × 10,496.62
  4. Step 4: Simplify right side
    28,030.42x = 441,285,672.03
  5. Step 5: Solve for x
    x = 441,285,672.03/28,030.42
  6. Step 6: Final answer
    x = 15,743.10

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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.