Home / 28,698.02-39,603.24-15,950.80

Finding the Fourth Proportional to 28,698.02, 39,603.24 and 15,950.80

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Solution

The fourth proportional to 28,698.02, 39,603.24 and 15,950.80 is: 22,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.02 : 39,603.24 = 15,950.80 : x
  2. Step 2: Convert to fraction form
    28,698.02/39,603.24 = 15,950.80/x
  3. Step 3: Cross multiply
    28,698.02x = 39,603.24 × 15,950.80
  4. Step 4: Simplify right side
    28,698.02x = 631,703,521.29
  5. Step 5: Solve for x
    x = 631,703,521.29/28,698.02
  6. Step 6: Final answer
    x = 22,012.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.