Home / 28,368.70-42,549.23-11,726.43

Finding the Fourth Proportional to 28,368.70, 42,549.23 and 11,726.43

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Solution

The fourth proportional to 28,368.70, 42,549.23 and 11,726.43 is: 17,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.70 : 42,549.23 = 11,726.43 : x
  2. Step 2: Convert to fraction form
    28,368.70/42,549.23 = 11,726.43/x
  3. Step 3: Cross multiply
    28,368.70x = 42,549.23 × 11,726.43
  4. Step 4: Simplify right side
    28,368.70x = 498,950,436.91
  5. Step 5: Solve for x
    x = 498,950,436.91/28,368.70
  6. Step 6: Final answer
    x = 17,588.06

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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.