Home / 20,477.25-28,261.32-11,526.49

Finding the Fourth Proportional to 20,477.25, 28,261.32 and 11,526.49

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Solution

The fourth proportional to 20,477.25, 28,261.32 and 11,526.49 is: 15,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.25 : 28,261.32 = 11,526.49 : x
  2. Step 2: Convert to fraction form
    20,477.25/28,261.32 = 11,526.49/x
  3. Step 3: Cross multiply
    20,477.25x = 28,261.32 × 11,526.49
  4. Step 4: Simplify right side
    20,477.25x = 325,753,822.37
  5. Step 5: Solve for x
    x = 325,753,822.37/20,477.25
  6. Step 6: Final answer
    x = 15,908.08

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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.