Home / 28,040.64-42,067.74-10,510.62

Finding the Fourth Proportional to 28,040.64, 42,067.74 and 10,510.62

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Solution

The fourth proportional to 28,040.64, 42,067.74 and 10,510.62 is: 15,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.64 : 42,067.74 = 10,510.62 : x
  2. Step 2: Convert to fraction form
    28,040.64/42,067.74 = 10,510.62/x
  3. Step 3: Cross multiply
    28,040.64x = 42,067.74 × 10,510.62
  4. Step 4: Simplify right side
    28,040.64x = 442,158,029.40
  5. Step 5: Solve for x
    x = 442,158,029.40/28,040.64
  6. Step 6: Final answer
    x = 15,768.47

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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.