Home / 28,035.30-42,111.45-23,661.30

Finding the Fourth Proportional to 28,035.30, 42,111.45 and 23,661.30

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Solution

The fourth proportional to 28,035.30, 42,111.45 and 23,661.30 is: 35,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.30 : 42,111.45 = 23,661.30 : x
  2. Step 2: Convert to fraction form
    28,035.30/42,111.45 = 23,661.30/x
  3. Step 3: Cross multiply
    28,035.30x = 42,111.45 × 23,661.30
  4. Step 4: Simplify right side
    28,035.30x = 996,411,651.89
  5. Step 5: Solve for x
    x = 996,411,651.89/28,035.30
  6. Step 6: Final answer
    x = 35,541.32

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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.