Home / 25,683.89-35,447.09-15,074.51

Finding the Fourth Proportional to 25,683.89, 35,447.09 and 15,074.51

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Solution

The fourth proportional to 25,683.89, 35,447.09 and 15,074.51 is: 20,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.89 : 35,447.09 = 15,074.51 : x
  2. Step 2: Convert to fraction form
    25,683.89/35,447.09 = 15,074.51/x
  3. Step 3: Cross multiply
    25,683.89x = 35,447.09 × 15,074.51
  4. Step 4: Simplify right side
    25,683.89x = 534,347,260.07
  5. Step 5: Solve for x
    x = 534,347,260.07/25,683.89
  6. Step 6: Final answer
    x = 20,804.77

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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.