Home / 28,526.35-39,363.33-15,777.51

Finding the Fourth Proportional to 28,526.35, 39,363.33 and 15,777.51

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Solution

The fourth proportional to 28,526.35, 39,363.33 and 15,777.51 is: 21,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.35 : 39,363.33 = 15,777.51 : x
  2. Step 2: Convert to fraction form
    28,526.35/39,363.33 = 15,777.51/x
  3. Step 3: Cross multiply
    28,526.35x = 39,363.33 × 15,777.51
  4. Step 4: Simplify right side
    28,526.35x = 621,055,244.26
  5. Step 5: Solve for x
    x = 621,055,244.26/28,526.35
  6. Step 6: Final answer
    x = 21,771.28

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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.