Home / 15,977.61-23,929.47-15,424.02

Finding the Fourth Proportional to 15,977.61, 23,929.47 and 15,424.02

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Solution

The fourth proportional to 15,977.61, 23,929.47 and 15,424.02 is: 23,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.61 : 23,929.47 = 15,424.02 : x
  2. Step 2: Convert to fraction form
    15,977.61/23,929.47 = 15,424.02/x
  3. Step 3: Cross multiply
    15,977.61x = 23,929.47 × 15,424.02
  4. Step 4: Simplify right side
    15,977.61x = 369,088,623.87
  5. Step 5: Solve for x
    x = 369,088,623.87/15,977.61
  6. Step 6: Final answer
    x = 23,100.37

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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.