Home / 20,669.63-28,526.49-11,597.49

Finding the Fourth Proportional to 20,669.63, 28,526.49 and 11,597.49

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Solution

The fourth proportional to 20,669.63, 28,526.49 and 11,597.49 is: 16,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.63 : 28,526.49 = 11,597.49 : x
  2. Step 2: Convert to fraction form
    20,669.63/28,526.49 = 11,597.49/x
  3. Step 3: Cross multiply
    20,669.63x = 28,526.49 × 11,597.49
  4. Step 4: Simplify right side
    20,669.63x = 330,835,682.51
  5. Step 5: Solve for x
    x = 330,835,682.51/20,669.63
  6. Step 6: Final answer
    x = 16,005.89

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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.