Home / 30,255.81-41,752.85-16,826.28

Finding the Fourth Proportional to 30,255.81, 41,752.85 and 16,826.28

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Solution

The fourth proportional to 30,255.81, 41,752.85 and 16,826.28 is: 23,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.81 : 41,752.85 = 16,826.28 : x
  2. Step 2: Convert to fraction form
    30,255.81/41,752.85 = 16,826.28/x
  3. Step 3: Cross multiply
    30,255.81x = 41,752.85 × 16,826.28
  4. Step 4: Simplify right side
    30,255.81x = 702,545,060.77
  5. Step 5: Solve for x
    x = 702,545,060.77/30,255.81
  6. Step 6: Final answer
    x = 23,220.17

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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.