Home / 28,034.36-42,055.98-10,505.56

Finding the Fourth Proportional to 28,034.36, 42,055.98 and 10,505.56

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Solution

The fourth proportional to 28,034.36, 42,055.98 and 10,505.56 is: 15,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.36 : 42,055.98 = 10,505.56 : x
  2. Step 2: Convert to fraction form
    28,034.36/42,055.98 = 10,505.56/x
  3. Step 3: Cross multiply
    28,034.36x = 42,055.98 × 10,505.56
  4. Step 4: Simplify right side
    28,034.36x = 441,821,621.25
  5. Step 5: Solve for x
    x = 441,821,621.25/28,034.36
  6. Step 6: Final answer
    x = 15,760.00

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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.