Home / 25,356.60-34,991.81-14,025.21

Finding the Fourth Proportional to 25,356.60, 34,991.81 and 14,025.21

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Solution

The fourth proportional to 25,356.60, 34,991.81 and 14,025.21 is: 19,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.60 : 34,991.81 = 14,025.21 : x
  2. Step 2: Convert to fraction form
    25,356.60/34,991.81 = 14,025.21/x
  3. Step 3: Cross multiply
    25,356.60x = 34,991.81 × 14,025.21
  4. Step 4: Simplify right side
    25,356.60x = 490,767,413.40
  5. Step 5: Solve for x
    x = 490,767,413.40/25,356.60
  6. Step 6: Final answer
    x = 19,354.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.