Home / 28,903.33-39,882.38-16,970.51

Finding the Fourth Proportional to 28,903.33, 39,882.38 and 16,970.51

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Solution

The fourth proportional to 28,903.33, 39,882.38 and 16,970.51 is: 23,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.33 : 39,882.38 = 16,970.51 : x
  2. Step 2: Convert to fraction form
    28,903.33/39,882.38 = 16,970.51/x
  3. Step 3: Cross multiply
    28,903.33x = 39,882.38 × 16,970.51
  4. Step 4: Simplify right side
    28,903.33x = 676,824,343.47
  5. Step 5: Solve for x
    x = 676,824,343.47/28,903.33
  6. Step 6: Final answer
    x = 23,416.83

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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.