Home / 20,018.07-27,501.26-17,920.98

Finding the Fourth Proportional to 20,018.07, 27,501.26 and 17,920.98

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Solution

The fourth proportional to 20,018.07, 27,501.26 and 17,920.98 is: 24,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.07 : 27,501.26 = 17,920.98 : x
  2. Step 2: Convert to fraction form
    20,018.07/27,501.26 = 17,920.98/x
  3. Step 3: Cross multiply
    20,018.07x = 27,501.26 × 17,920.98
  4. Step 4: Simplify right side
    20,018.07x = 492,849,440.83
  5. Step 5: Solve for x
    x = 492,849,440.83/20,018.07
  6. Step 6: Final answer
    x = 24,620.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.