Home / 28,599.20-42,907.48-13,805.36

Finding the Fourth Proportional to 28,599.20, 42,907.48 and 13,805.36

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Solution

The fourth proportional to 28,599.20, 42,907.48 and 13,805.36 is: 20,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.20 : 42,907.48 = 13,805.36 : x
  2. Step 2: Convert to fraction form
    28,599.20/42,907.48 = 13,805.36/x
  3. Step 3: Cross multiply
    28,599.20x = 42,907.48 × 13,805.36
  4. Step 4: Simplify right side
    28,599.20x = 592,353,208.09
  5. Step 5: Solve for x
    x = 592,353,208.09/28,599.20
  6. Step 6: Final answer
    x = 20,712.23

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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.