Home / 25,344.09-38,005.27-8,705.79

Finding the Fourth Proportional to 25,344.09, 38,005.27 and 8,705.79

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Solution

The fourth proportional to 25,344.09, 38,005.27 and 8,705.79 is: 13,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.09 : 38,005.27 = 8,705.79 : x
  2. Step 2: Convert to fraction form
    25,344.09/38,005.27 = 8,705.79/x
  3. Step 3: Cross multiply
    25,344.09x = 38,005.27 × 8,705.79
  4. Step 4: Simplify right side
    25,344.09x = 330,865,899.51
  5. Step 5: Solve for x
    x = 330,865,899.51/25,344.09
  6. Step 6: Final answer
    x = 13,054.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.