Home / 25,510.61-38,276.82-14,400.65

Finding the Fourth Proportional to 25,510.61, 38,276.82 and 14,400.65

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Solution

The fourth proportional to 25,510.61, 38,276.82 and 14,400.65 is: 21,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.61 : 38,276.82 = 14,400.65 : x
  2. Step 2: Convert to fraction form
    25,510.61/38,276.82 = 14,400.65/x
  3. Step 3: Cross multiply
    25,510.61x = 38,276.82 × 14,400.65
  4. Step 4: Simplify right side
    25,510.61x = 551,211,183.63
  5. Step 5: Solve for x
    x = 551,211,183.63/25,510.61
  6. Step 6: Final answer
    x = 21,607.13

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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.