Home / 28,262.36-38,994.05-18,196.62

Finding the Fourth Proportional to 28,262.36, 38,994.05 and 18,196.62

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Solution

The fourth proportional to 28,262.36, 38,994.05 and 18,196.62 is: 25,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.36 : 38,994.05 = 18,196.62 : x
  2. Step 2: Convert to fraction form
    28,262.36/38,994.05 = 18,196.62/x
  3. Step 3: Cross multiply
    28,262.36x = 38,994.05 × 18,196.62
  4. Step 4: Simplify right side
    28,262.36x = 709,559,955.60
  5. Step 5: Solve for x
    x = 709,559,955.60/28,262.36
  6. Step 6: Final answer
    x = 25,106.19

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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.