Home / 28,428.27-42,586.98-17,307.38

Finding the Fourth Proportional to 28,428.27, 42,586.98 and 17,307.38

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Solution

The fourth proportional to 28,428.27, 42,586.98 and 17,307.38 is: 25,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428.27 : 42,586.98 = 17,307.38 : x
  2. Step 2: Convert to fraction form
    28,428.27/42,586.98 = 17,307.38/x
  3. Step 3: Cross multiply
    28,428.27x = 42,586.98 × 17,307.38
  4. Step 4: Simplify right side
    28,428.27x = 737,068,832.98
  5. Step 5: Solve for x
    x = 737,068,832.98/28,428.27
  6. Step 6: Final answer
    x = 25,927.32

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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.