Home / 28,391.52-42,587.28-23,259.36

Finding the Fourth Proportional to 28,391.52, 42,587.28 and 23,259.36

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Solution

The fourth proportional to 28,391.52, 42,587.28 and 23,259.36 is: 34,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.52 : 42,587.28 = 23,259.36 : x
  2. Step 2: Convert to fraction form
    28,391.52/42,587.28 = 23,259.36/x
  3. Step 3: Cross multiply
    28,391.52x = 42,587.28 × 23,259.36
  4. Step 4: Simplify right side
    28,391.52x = 990,552,876.94
  5. Step 5: Solve for x
    x = 990,552,876.94/28,391.52
  6. Step 6: Final answer
    x = 34,889.04

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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.