Home / 28,410.80-42,622.36-10,880.63

Finding the Fourth Proportional to 28,410.80, 42,622.36 and 10,880.63

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Solution

The fourth proportional to 28,410.80, 42,622.36 and 10,880.63 is: 16,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.80 : 42,622.36 = 10,880.63 : x
  2. Step 2: Convert to fraction form
    28,410.80/42,622.36 = 10,880.63/x
  3. Step 3: Cross multiply
    28,410.80x = 42,622.36 × 10,880.63
  4. Step 4: Simplify right side
    28,410.80x = 463,758,128.89
  5. Step 5: Solve for x
    x = 463,758,128.89/28,410.80
  6. Step 6: Final answer
    x = 16,323.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.