Home / 28,392.89-42,615.70-14,362.83

Finding the Fourth Proportional to 28,392.89, 42,615.70 and 14,362.83

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Solution

The fourth proportional to 28,392.89, 42,615.70 and 14,362.83 is: 21,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.89 : 42,615.70 = 14,362.83 : x
  2. Step 2: Convert to fraction form
    28,392.89/42,615.70 = 14,362.83/x
  3. Step 3: Cross multiply
    28,392.89x = 42,615.70 × 14,362.83
  4. Step 4: Simplify right side
    28,392.89x = 612,082,018.52
  5. Step 5: Solve for x
    x = 612,082,018.52/28,392.89
  6. Step 6: Final answer
    x = 21,557.58

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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.