Home / 28,497.12-39,319.80-16,554.30

Finding the Fourth Proportional to 28,497.12, 39,319.80 and 16,554.30

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Solution

The fourth proportional to 28,497.12, 39,319.80 and 16,554.30 is: 22,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.12 : 39,319.80 = 16,554.30 : x
  2. Step 2: Convert to fraction form
    28,497.12/39,319.80 = 16,554.30/x
  3. Step 3: Cross multiply
    28,497.12x = 39,319.80 × 16,554.30
  4. Step 4: Simplify right side
    28,497.12x = 650,911,765.14
  5. Step 5: Solve for x
    x = 650,911,765.14/28,497.12
  6. Step 6: Final answer
    x = 22,841.32

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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.