Home / 25,388.81-35,035.07-14,057.68

Finding the Fourth Proportional to 25,388.81, 35,035.07 and 14,057.68

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Solution

The fourth proportional to 25,388.81, 35,035.07 and 14,057.68 is: 19,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.81 : 35,035.07 = 14,057.68 : x
  2. Step 2: Convert to fraction form
    25,388.81/35,035.07 = 14,057.68/x
  3. Step 3: Cross multiply
    25,388.81x = 35,035.07 × 14,057.68
  4. Step 4: Simplify right side
    25,388.81x = 492,511,802.84
  5. Step 5: Solve for x
    x = 492,511,802.84/25,388.81
  6. Step 6: Final answer
    x = 19,398.77

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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.