Home / 28,317.08-39,070.59-16,987.41

Finding the Fourth Proportional to 28,317.08, 39,070.59 and 16,987.41

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Solution

The fourth proportional to 28,317.08, 39,070.59 and 16,987.41 is: 23,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.08 : 39,070.59 = 16,987.41 : x
  2. Step 2: Convert to fraction form
    28,317.08/39,070.59 = 16,987.41/x
  3. Step 3: Cross multiply
    28,317.08x = 39,070.59 × 16,987.41
  4. Step 4: Simplify right side
    28,317.08x = 663,708,131.27
  5. Step 5: Solve for x
    x = 663,708,131.27/28,317.08
  6. Step 6: Final answer
    x = 23,438.44

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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.