Home / 28,142.63-38,833.02-16,044.67

Finding the Fourth Proportional to 28,142.63, 38,833.02 and 16,044.67

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Solution

The fourth proportional to 28,142.63, 38,833.02 and 16,044.67 is: 22,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142.63 : 38,833.02 = 16,044.67 : x
  2. Step 2: Convert to fraction form
    28,142.63/38,833.02 = 16,044.67/x
  3. Step 3: Cross multiply
    28,142.63x = 38,833.02 × 16,044.67
  4. Step 4: Simplify right side
    28,142.63x = 623,062,922.41
  5. Step 5: Solve for x
    x = 623,062,922.41/28,142.63
  6. Step 6: Final answer
    x = 22,139.47

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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.