Home / 25,821.06-35,629.64-14,490.12

Finding the Fourth Proportional to 25,821.06, 35,629.64 and 14,490.12

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Solution

The fourth proportional to 25,821.06, 35,629.64 and 14,490.12 is: 19,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.06 : 35,629.64 = 14,490.12 : x
  2. Step 2: Convert to fraction form
    25,821.06/35,629.64 = 14,490.12/x
  3. Step 3: Cross multiply
    25,821.06x = 35,629.64 × 14,490.12
  4. Step 4: Simplify right side
    25,821.06x = 516,277,686.71
  5. Step 5: Solve for x
    x = 516,277,686.71/25,821.06
  6. Step 6: Final answer
    x = 19,994.44

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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.