Home / 15,870.29-23,807.45-5,335.79

Finding the Fourth Proportional to 15,870.29, 23,807.45 and 5,335.79

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Solution

The fourth proportional to 15,870.29, 23,807.45 and 5,335.79 is: 8,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.29 : 23,807.45 = 5,335.79 : x
  2. Step 2: Convert to fraction form
    15,870.29/23,807.45 = 5,335.79/x
  3. Step 3: Cross multiply
    15,870.29x = 23,807.45 × 5,335.79
  4. Step 4: Simplify right side
    15,870.29x = 127,031,447.94
  5. Step 5: Solve for x
    x = 127,031,447.94/15,870.29
  6. Step 6: Final answer
    x = 8,004.36

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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.