Home / 28,040.99-42,045.08-10,501.25

Finding the Fourth Proportional to 28,040.99, 42,045.08 and 10,501.25

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Solution

The fourth proportional to 28,040.99, 42,045.08 and 10,501.25 is: 15,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.99 : 42,045.08 = 10,501.25 : x
  2. Step 2: Convert to fraction form
    28,040.99/42,045.08 = 10,501.25/x
  3. Step 3: Cross multiply
    28,040.99x = 42,045.08 × 10,501.25
  4. Step 4: Simplify right side
    28,040.99x = 441,525,633.62
  5. Step 5: Solve for x
    x = 441,525,633.62/28,040.99
  6. Step 6: Final answer
    x = 15,745.72

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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.