Home / 23,145.94-34,699.47-15,729.58

Finding the Fourth Proportional to 23,145.94, 34,699.47 and 15,729.58

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Solution

The fourth proportional to 23,145.94, 34,699.47 and 15,729.58 is: 23,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.94 : 34,699.47 = 15,729.58 : x
  2. Step 2: Convert to fraction form
    23,145.94/34,699.47 = 15,729.58/x
  3. Step 3: Cross multiply
    23,145.94x = 34,699.47 × 15,729.58
  4. Step 4: Simplify right side
    23,145.94x = 545,808,089.32
  5. Step 5: Solve for x
    x = 545,808,089.32/23,145.94
  6. Step 6: Final answer
    x = 23,581.16

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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.