Home / 28,030.74-42,057.33-11,392.05

Finding the Fourth Proportional to 28,030.74, 42,057.33 and 11,392.05

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Solution

The fourth proportional to 28,030.74, 42,057.33 and 11,392.05 is: 17,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.74 : 42,057.33 = 11,392.05 : x
  2. Step 2: Convert to fraction form
    28,030.74/42,057.33 = 11,392.05/x
  3. Step 3: Cross multiply
    28,030.74x = 42,057.33 × 11,392.05
  4. Step 4: Simplify right side
    28,030.74x = 479,119,206.23
  5. Step 5: Solve for x
    x = 479,119,206.23/28,030.74
  6. Step 6: Final answer
    x = 17,092.63

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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.