Home / 28,882.81-39,853.78-16,307.29

Finding the Fourth Proportional to 28,882.81, 39,853.78 and 16,307.29

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Solution

The fourth proportional to 28,882.81, 39,853.78 and 16,307.29 is: 22,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.81 : 39,853.78 = 16,307.29 : x
  2. Step 2: Convert to fraction form
    28,882.81/39,853.78 = 16,307.29/x
  3. Step 3: Cross multiply
    28,882.81x = 39,853.78 × 16,307.29
  4. Step 4: Simplify right side
    28,882.81x = 649,907,148.06
  5. Step 5: Solve for x
    x = 649,907,148.06/28,882.81
  6. Step 6: Final answer
    x = 22,501.52

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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.