Home / 26,763.70-36,919.02-21,077.50

Finding the Fourth Proportional to 26,763.70, 36,919.02 and 21,077.50

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Solution

The fourth proportional to 26,763.70, 36,919.02 and 21,077.50 is: 29,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.70 : 36,919.02 = 21,077.50 : x
  2. Step 2: Convert to fraction form
    26,763.70/36,919.02 = 21,077.50/x
  3. Step 3: Cross multiply
    26,763.70x = 36,919.02 × 21,077.50
  4. Step 4: Simplify right side
    26,763.70x = 778,160,459.45
  5. Step 5: Solve for x
    x = 778,160,459.45/26,763.70
  6. Step 6: Final answer
    x = 29,075.23

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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.