Home / 25,355.79-34,991.91-14,748.84

Finding the Fourth Proportional to 25,355.79, 34,991.91 and 14,748.84

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Solution

The fourth proportional to 25,355.79, 34,991.91 and 14,748.84 is: 20,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.79 : 34,991.91 = 14,748.84 : x
  2. Step 2: Convert to fraction form
    25,355.79/34,991.91 = 14,748.84/x
  3. Step 3: Cross multiply
    25,355.79x = 34,991.91 × 14,748.84
  4. Step 4: Simplify right side
    25,355.79x = 516,090,081.88
  5. Step 5: Solve for x
    x = 516,090,081.88/25,355.79
  6. Step 6: Final answer
    x = 20,353.93

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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.