Home / 28,051.79-42,108.46-14,007.87

Finding the Fourth Proportional to 28,051.79, 42,108.46 and 14,007.87

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Solution

The fourth proportional to 28,051.79, 42,108.46 and 14,007.87 is: 21,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.79 : 42,108.46 = 14,007.87 : x
  2. Step 2: Convert to fraction form
    28,051.79/42,108.46 = 14,007.87/x
  3. Step 3: Cross multiply
    28,051.79x = 42,108.46 × 14,007.87
  4. Step 4: Simplify right side
    28,051.79x = 589,849,798.56
  5. Step 5: Solve for x
    x = 589,849,798.56/28,051.79
  6. Step 6: Final answer
    x = 21,027.18

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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.