Home / 28,475.36-42,805.23-26,420.94

Finding the Fourth Proportional to 28,475.36, 42,805.23 and 26,420.94

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Solution

The fourth proportional to 28,475.36, 42,805.23 and 26,420.94 is: 39,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.36 : 42,805.23 = 26,420.94 : x
  2. Step 2: Convert to fraction form
    28,475.36/42,805.23 = 26,420.94/x
  3. Step 3: Cross multiply
    28,475.36x = 42,805.23 × 26,420.94
  4. Step 4: Simplify right side
    28,475.36x = 1,130,954,413.52
  5. Step 5: Solve for x
    x = 1,130,954,413.52/28,475.36
  6. Step 6: Final answer
    x = 39,716.96

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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.