Home / 25,780.38-35,576.91-14,602.38

Finding the Fourth Proportional to 25,780.38, 35,576.91 and 14,602.38

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Solution

The fourth proportional to 25,780.38, 35,576.91 and 14,602.38 is: 20,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.38 : 35,576.91 = 14,602.38 : x
  2. Step 2: Convert to fraction form
    25,780.38/35,576.91 = 14,602.38/x
  3. Step 3: Cross multiply
    25,780.38x = 35,576.91 × 14,602.38
  4. Step 4: Simplify right side
    25,780.38x = 519,507,559.05
  5. Step 5: Solve for x
    x = 519,507,559.05/25,780.38
  6. Step 6: Final answer
    x = 20,151.28

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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.