Home / 25,705.75-38,541.06-13,699.71

Finding the Fourth Proportional to 25,705.75, 38,541.06 and 13,699.71

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Solution

The fourth proportional to 25,705.75, 38,541.06 and 13,699.71 is: 20,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.75 : 38,541.06 = 13,699.71 : x
  2. Step 2: Convert to fraction form
    25,705.75/38,541.06 = 13,699.71/x
  3. Step 3: Cross multiply
    25,705.75x = 38,541.06 × 13,699.71
  4. Step 4: Simplify right side
    25,705.75x = 528,001,345.09
  5. Step 5: Solve for x
    x = 528,001,345.09/25,705.75
  6. Step 6: Final answer
    x = 20,540.20

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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.