Home / 25,250.84-34,846.40-13,920.79

Finding the Fourth Proportional to 25,250.84, 34,846.40 and 13,920.79

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Solution

The fourth proportional to 25,250.84, 34,846.40 and 13,920.79 is: 19,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.84 : 34,846.40 = 13,920.79 : x
  2. Step 2: Convert to fraction form
    25,250.84/34,846.40 = 13,920.79/x
  3. Step 3: Cross multiply
    25,250.84x = 34,846.40 × 13,920.79
  4. Step 4: Simplify right side
    25,250.84x = 485,089,331.67
  5. Step 5: Solve for x
    x = 485,089,331.67/25,250.84
  6. Step 6: Final answer
    x = 19,210.82

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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.