Home / 25,620.77-35,356.86-14,291.01

Finding the Fourth Proportional to 25,620.77, 35,356.86 and 14,291.01

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Solution

The fourth proportional to 25,620.77, 35,356.86 and 14,291.01 is: 19,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.77 : 35,356.86 = 14,291.01 : x
  2. Step 2: Convert to fraction form
    25,620.77/35,356.86 = 14,291.01/x
  3. Step 3: Cross multiply
    25,620.77x = 35,356.86 × 14,291.01
  4. Step 4: Simplify right side
    25,620.77x = 505,285,239.83
  5. Step 5: Solve for x
    x = 505,285,239.83/25,620.77
  6. Step 6: Final answer
    x = 19,721.70

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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.