Home / 25,315.96-34,935.60-14,705.68

Finding the Fourth Proportional to 25,315.96, 34,935.60 and 14,705.68

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Solution

The fourth proportional to 25,315.96, 34,935.60 and 14,705.68 is: 20,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.96 : 34,935.60 = 14,705.68 : x
  2. Step 2: Convert to fraction form
    25,315.96/34,935.60 = 14,705.68/x
  3. Step 3: Cross multiply
    25,315.96x = 34,935.60 × 14,705.68
  4. Step 4: Simplify right side
    25,315.96x = 513,751,754.21
  5. Step 5: Solve for x
    x = 513,751,754.21/25,315.96
  6. Step 6: Final answer
    x = 20,293.59

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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.