Home / 26,692.01-36,792.55-21,017.76

Finding the Fourth Proportional to 26,692.01, 36,792.55 and 21,017.76

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Solution

The fourth proportional to 26,692.01, 36,792.55 and 21,017.76 is: 28,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,692.01 : 36,792.55 = 21,017.76 : x
  2. Step 2: Convert to fraction form
    26,692.01/36,792.55 = 21,017.76/x
  3. Step 3: Cross multiply
    26,692.01x = 36,792.55 × 21,017.76
  4. Step 4: Simplify right side
    26,692.01x = 773,296,985.69
  5. Step 5: Solve for x
    x = 773,296,985.69/26,692.01
  6. Step 6: Final answer
    x = 28,971.10

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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.