Home / 28,035.70-42,017.10-11,382.10

Finding the Fourth Proportional to 28,035.70, 42,017.10 and 11,382.10

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Solution

The fourth proportional to 28,035.70, 42,017.10 and 11,382.10 is: 17,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.70 : 42,017.10 = 11,382.10 : x
  2. Step 2: Convert to fraction form
    28,035.70/42,017.10 = 11,382.10/x
  3. Step 3: Cross multiply
    28,035.70x = 42,017.10 × 11,382.10
  4. Step 4: Simplify right side
    28,035.70x = 478,242,833.91
  5. Step 5: Solve for x
    x = 478,242,833.91/28,035.70
  6. Step 6: Final answer
    x = 17,058.35

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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.