Home / 30,256.84-41,752-16,828.12

Finding the Fourth Proportional to 30,256.84, 41,752 and 16,828.12

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Solution

The fourth proportional to 30,256.84, 41,752 and 16,828.12 is: 23,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.84 : 41,752 = 16,828.12 : x
  2. Step 2: Convert to fraction form
    30,256.84/41,752 = 16,828.12/x
  3. Step 3: Cross multiply
    30,256.84x = 41,752 × 16,828.12
  4. Step 4: Simplify right side
    30,256.84x = 702,607,666.24
  5. Step 5: Solve for x
    x = 702,607,666.24/30,256.84
  6. Step 6: Final answer
    x = 23,221.45

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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.