Home / 25,220.86-34,804.46-13,890.14

Finding the Fourth Proportional to 25,220.86, 34,804.46 and 13,890.14

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Solution

The fourth proportional to 25,220.86, 34,804.46 and 13,890.14 is: 19,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.86 : 34,804.46 = 13,890.14 : x
  2. Step 2: Convert to fraction form
    25,220.86/34,804.46 = 13,890.14/x
  3. Step 3: Cross multiply
    25,220.86x = 34,804.46 × 13,890.14
  4. Step 4: Simplify right side
    25,220.86x = 483,438,822.02
  5. Step 5: Solve for x
    x = 483,438,822.02/25,220.86
  6. Step 6: Final answer
    x = 19,168.21

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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.