Home / 28,313.15-42,444.62-14,254.79

Finding the Fourth Proportional to 28,313.15, 42,444.62 and 14,254.79

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Solution

The fourth proportional to 28,313.15, 42,444.62 and 14,254.79 is: 21,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.15 : 42,444.62 = 14,254.79 : x
  2. Step 2: Convert to fraction form
    28,313.15/42,444.62 = 14,254.79/x
  3. Step 3: Cross multiply
    28,313.15x = 42,444.62 × 14,254.79
  4. Step 4: Simplify right side
    28,313.15x = 605,039,073.46
  5. Step 5: Solve for x
    x = 605,039,073.46/28,313.15
  6. Step 6: Final answer
    x = 21,369.54

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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.