Home / 34,364.93-51,518.13-15,638.40

Finding the Fourth Proportional to 34,364.93, 51,518.13 and 15,638.40

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Solution

The fourth proportional to 34,364.93, 51,518.13 and 15,638.40 is: 23,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.93 : 51,518.13 = 15,638.40 : x
  2. Step 2: Convert to fraction form
    34,364.93/51,518.13 = 15,638.40/x
  3. Step 3: Cross multiply
    34,364.93x = 51,518.13 × 15,638.40
  4. Step 4: Simplify right side
    34,364.93x = 805,661,065.55
  5. Step 5: Solve for x
    x = 805,661,065.55/34,364.93
  6. Step 6: Final answer
    x = 23,444.28

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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.