Home / 28,552.51-39,402.56-15,977.23

Finding the Fourth Proportional to 28,552.51, 39,402.56 and 15,977.23

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Solution

The fourth proportional to 28,552.51, 39,402.56 and 15,977.23 is: 22,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.51 : 39,402.56 = 15,977.23 : x
  2. Step 2: Convert to fraction form
    28,552.51/39,402.56 = 15,977.23/x
  3. Step 3: Cross multiply
    28,552.51x = 39,402.56 × 15,977.23
  4. Step 4: Simplify right side
    28,552.51x = 629,543,763.71
  5. Step 5: Solve for x
    x = 629,543,763.71/28,552.51
  6. Step 6: Final answer
    x = 22,048.63

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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.