Home / 28,638.04-39,520-16,062.52

Finding the Fourth Proportional to 28,638.04, 39,520 and 16,062.52

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Solution

The fourth proportional to 28,638.04, 39,520 and 16,062.52 is: 22,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.04 : 39,520 = 16,062.52 : x
  2. Step 2: Convert to fraction form
    28,638.04/39,520 = 16,062.52/x
  3. Step 3: Cross multiply
    28,638.04x = 39,520 × 16,062.52
  4. Step 4: Simplify right side
    28,638.04x = 634,790,790.40
  5. Step 5: Solve for x
    x = 634,790,790.40/28,638.04
  6. Step 6: Final answer
    x = 22,166.00

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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.