Home / 28,932.72-39,927.51-16,357.20

Finding the Fourth Proportional to 28,932.72, 39,927.51 and 16,357.20

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Solution

The fourth proportional to 28,932.72, 39,927.51 and 16,357.20 is: 22,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.72 : 39,927.51 = 16,357.20 : x
  2. Step 2: Convert to fraction form
    28,932.72/39,927.51 = 16,357.20/x
  3. Step 3: Cross multiply
    28,932.72x = 39,927.51 × 16,357.20
  4. Step 4: Simplify right side
    28,932.72x = 653,102,266.57
  5. Step 5: Solve for x
    x = 653,102,266.57/28,932.72
  6. Step 6: Final answer
    x = 22,573.14

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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.