Home / 28,076.24-42,099.64-14,021.20

Finding the Fourth Proportional to 28,076.24, 42,099.64 and 14,021.20

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Solution

The fourth proportional to 28,076.24, 42,099.64 and 14,021.20 is: 21,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.24 : 42,099.64 = 14,021.20 : x
  2. Step 2: Convert to fraction form
    28,076.24/42,099.64 = 14,021.20/x
  3. Step 3: Cross multiply
    28,076.24x = 42,099.64 × 14,021.20
  4. Step 4: Simplify right side
    28,076.24x = 590,287,472.37
  5. Step 5: Solve for x
    x = 590,287,472.37/28,076.24
  6. Step 6: Final answer
    x = 21,024.45

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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.