Home / 26,841.10-37,075.60-20,428.74

Finding the Fourth Proportional to 26,841.10, 37,075.60 and 20,428.74

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Solution

The fourth proportional to 26,841.10, 37,075.60 and 20,428.74 is: 28,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.10 : 37,075.60 = 20,428.74 : x
  2. Step 2: Convert to fraction form
    26,841.10/37,075.60 = 20,428.74/x
  3. Step 3: Cross multiply
    26,841.10x = 37,075.60 × 20,428.74
  4. Step 4: Simplify right side
    26,841.10x = 757,407,792.74
  5. Step 5: Solve for x
    x = 757,407,792.74/26,841.10
  6. Step 6: Final answer
    x = 28,218.21

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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.