Home / 20,292.71-30,407.66-14,064.89

Finding the Fourth Proportional to 20,292.71, 30,407.66 and 14,064.89

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Solution

The fourth proportional to 20,292.71, 30,407.66 and 14,064.89 is: 21,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.71 : 30,407.66 = 14,064.89 : x
  2. Step 2: Convert to fraction form
    20,292.71/30,407.66 = 14,064.89/x
  3. Step 3: Cross multiply
    20,292.71x = 30,407.66 × 14,064.89
  4. Step 4: Simplify right side
    20,292.71x = 427,680,170.69
  5. Step 5: Solve for x
    x = 427,680,170.69/20,292.71
  6. Step 6: Final answer
    x = 21,075.56

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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.