Home / 28,364.66-42,541.49-10,830.32

Finding the Fourth Proportional to 28,364.66, 42,541.49 and 10,830.32

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Solution

The fourth proportional to 28,364.66, 42,541.49 and 10,830.32 is: 16,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.66 : 42,541.49 = 10,830.32 : x
  2. Step 2: Convert to fraction form
    28,364.66/42,541.49 = 10,830.32/x
  3. Step 3: Cross multiply
    28,364.66x = 42,541.49 × 10,830.32
  4. Step 4: Simplify right side
    28,364.66x = 460,737,764.35
  5. Step 5: Solve for x
    x = 460,737,764.35/28,364.66
  6. Step 6: Final answer
    x = 16,243.38

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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.