Home / 28,224.99-38,948.81-16,126.78

Finding the Fourth Proportional to 28,224.99, 38,948.81 and 16,126.78

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Solution

The fourth proportional to 28,224.99, 38,948.81 and 16,126.78 is: 22,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.99 : 38,948.81 = 16,126.78 : x
  2. Step 2: Convert to fraction form
    28,224.99/38,948.81 = 16,126.78/x
  3. Step 3: Cross multiply
    28,224.99x = 38,948.81 × 16,126.78
  4. Step 4: Simplify right side
    28,224.99x = 628,118,890.13
  5. Step 5: Solve for x
    x = 628,118,890.13/28,224.99
  6. Step 6: Final answer
    x = 22,254.00

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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.