Home / 20,637.36-30,890.40-14,765.25

Finding the Fourth Proportional to 20,637.36, 30,890.40 and 14,765.25

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Solution

The fourth proportional to 20,637.36, 30,890.40 and 14,765.25 is: 22,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.36 : 30,890.40 = 14,765.25 : x
  2. Step 2: Convert to fraction form
    20,637.36/30,890.40 = 14,765.25/x
  3. Step 3: Cross multiply
    20,637.36x = 30,890.40 × 14,765.25
  4. Step 4: Simplify right side
    20,637.36x = 456,104,478.60
  5. Step 5: Solve for x
    x = 456,104,478.60/20,637.36
  6. Step 6: Final answer
    x = 22,100.91

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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.