Home / 28,025.88-42,040.87-11,386.23

Finding the Fourth Proportional to 28,025.88, 42,040.87 and 11,386.23

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Solution

The fourth proportional to 28,025.88, 42,040.87 and 11,386.23 is: 17,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.88 : 42,040.87 = 11,386.23 : x
  2. Step 2: Convert to fraction form
    28,025.88/42,040.87 = 11,386.23/x
  3. Step 3: Cross multiply
    28,025.88x = 42,040.87 × 11,386.23
  4. Step 4: Simplify right side
    28,025.88x = 478,686,805.02
  5. Step 5: Solve for x
    x = 478,686,805.02/28,025.88
  6. Step 6: Final answer
    x = 17,080.17

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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.