Home / 28,615.31-39,486.98-16,037.63

Finding the Fourth Proportional to 28,615.31, 39,486.98 and 16,037.63

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Solution

The fourth proportional to 28,615.31, 39,486.98 and 16,037.63 is: 22,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.31 : 39,486.98 = 16,037.63 : x
  2. Step 2: Convert to fraction form
    28,615.31/39,486.98 = 16,037.63/x
  3. Step 3: Cross multiply
    28,615.31x = 39,486.98 × 16,037.63
  4. Step 4: Simplify right side
    28,615.31x = 633,277,297.43
  5. Step 5: Solve for x
    x = 633,277,297.43/28,615.31
  6. Step 6: Final answer
    x = 22,130.72

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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.