Home / 26,556.04-36,623.70-20,957.32

Finding the Fourth Proportional to 26,556.04, 36,623.70 and 20,957.32

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Solution

The fourth proportional to 26,556.04, 36,623.70 and 20,957.32 is: 28,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.04 : 36,623.70 = 20,957.32 : x
  2. Step 2: Convert to fraction form
    26,556.04/36,623.70 = 20,957.32/x
  3. Step 3: Cross multiply
    26,556.04x = 36,623.70 × 20,957.32
  4. Step 4: Simplify right side
    26,556.04x = 767,534,600.48
  5. Step 5: Solve for x
    x = 767,534,600.48/26,556.04
  6. Step 6: Final answer
    x = 28,902.45

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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.