Home / 25,443.03-35,109.63-14,688.33

Finding the Fourth Proportional to 25,443.03, 35,109.63 and 14,688.33

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Solution

The fourth proportional to 25,443.03, 35,109.63 and 14,688.33 is: 20,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.03 : 35,109.63 = 14,688.33 : x
  2. Step 2: Convert to fraction form
    25,443.03/35,109.63 = 14,688.33/x
  3. Step 3: Cross multiply
    25,443.03x = 35,109.63 × 14,688.33
  4. Step 4: Simplify right side
    25,443.03x = 515,701,831.62
  5. Step 5: Solve for x
    x = 515,701,831.62/25,443.03
  6. Step 6: Final answer
    x = 20,268.88

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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.