Home / 35,442.94-53,127.93-15,730.78

Finding the Fourth Proportional to 35,442.94, 53,127.93 and 15,730.78

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Solution

The fourth proportional to 35,442.94, 53,127.93 and 15,730.78 is: 23,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442.94 : 53,127.93 = 15,730.78 : x
  2. Step 2: Convert to fraction form
    35,442.94/53,127.93 = 15,730.78/x
  3. Step 3: Cross multiply
    35,442.94x = 53,127.93 × 15,730.78
  4. Step 4: Simplify right side
    35,442.94x = 835,743,778.69
  5. Step 5: Solve for x
    x = 835,743,778.69/35,442.94
  6. Step 6: Final answer
    x = 23,579.98

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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.