Home / 28,681.61-39,576.35-16,103.93

Finding the Fourth Proportional to 28,681.61, 39,576.35 and 16,103.93

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Solution

The fourth proportional to 28,681.61, 39,576.35 and 16,103.93 is: 22,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.61 : 39,576.35 = 16,103.93 : x
  2. Step 2: Convert to fraction form
    28,681.61/39,576.35 = 16,103.93/x
  3. Step 3: Cross multiply
    28,681.61x = 39,576.35 × 16,103.93
  4. Step 4: Simplify right side
    28,681.61x = 637,334,689.54
  5. Step 5: Solve for x
    x = 637,334,689.54/28,681.61
  6. Step 6: Final answer
    x = 22,221.02

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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.