Home / 34,393.20-51,554.88-15,686.16

Finding the Fourth Proportional to 34,393.20, 51,554.88 and 15,686.16

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Solution

The fourth proportional to 34,393.20, 51,554.88 and 15,686.16 is: 23,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.20 : 51,554.88 = 15,686.16 : x
  2. Step 2: Convert to fraction form
    34,393.20/51,554.88 = 15,686.16/x
  3. Step 3: Cross multiply
    34,393.20x = 51,554.88 × 15,686.16
  4. Step 4: Simplify right side
    34,393.20x = 808,698,096.46
  5. Step 5: Solve for x
    x = 808,698,096.46/34,393.20
  6. Step 6: Final answer
    x = 23,513.31

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1.5x scale

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.