Home / 26,490.04-39,710.35-8,947.60

Finding the Fourth Proportional to 26,490.04, 39,710.35 and 8,947.60

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Solution

The fourth proportional to 26,490.04, 39,710.35 and 8,947.60 is: 13,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.04 : 39,710.35 = 8,947.60 : x
  2. Step 2: Convert to fraction form
    26,490.04/39,710.35 = 8,947.60/x
  3. Step 3: Cross multiply
    26,490.04x = 39,710.35 × 8,947.60
  4. Step 4: Simplify right side
    26,490.04x = 355,312,239.57
  5. Step 5: Solve for x
    x = 355,312,239.57/26,490.04
  6. Step 6: Final answer
    x = 13,413.05

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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.