Home / 28,026.38-42,018.51-13,226.87

Finding the Fourth Proportional to 28,026.38, 42,018.51 and 13,226.87

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Solution

The fourth proportional to 28,026.38, 42,018.51 and 13,226.87 is: 19,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.38 : 42,018.51 = 13,226.87 : x
  2. Step 2: Convert to fraction form
    28,026.38/42,018.51 = 13,226.87/x
  3. Step 3: Cross multiply
    28,026.38x = 42,018.51 × 13,226.87
  4. Step 4: Simplify right side
    28,026.38x = 555,773,369.36
  5. Step 5: Solve for x
    x = 555,773,369.36/28,026.38
  6. Step 6: Final answer
    x = 19,830.37

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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.