Home / 22,776.48-31,411.07-14,279.53

Finding the Fourth Proportional to 22,776.48, 31,411.07 and 14,279.53

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Solution

The fourth proportional to 22,776.48, 31,411.07 and 14,279.53 is: 19,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.48 : 31,411.07 = 14,279.53 : x
  2. Step 2: Convert to fraction form
    22,776.48/31,411.07 = 14,279.53/x
  3. Step 3: Cross multiply
    22,776.48x = 31,411.07 × 14,279.53
  4. Step 4: Simplify right side
    22,776.48x = 448,535,252.15
  5. Step 5: Solve for x
    x = 448,535,252.15/22,776.48
  6. Step 6: Final answer
    x = 19,692.92

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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.