Home / 28,271.18-39,012.46-16,332.58

Finding the Fourth Proportional to 28,271.18, 39,012.46 and 16,332.58

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Solution

The fourth proportional to 28,271.18, 39,012.46 and 16,332.58 is: 22,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.18 : 39,012.46 = 16,332.58 : x
  2. Step 2: Convert to fraction form
    28,271.18/39,012.46 = 16,332.58/x
  3. Step 3: Cross multiply
    28,271.18x = 39,012.46 × 16,332.58
  4. Step 4: Simplify right side
    28,271.18x = 637,174,123.95
  5. Step 5: Solve for x
    x = 637,174,123.95/28,271.18
  6. Step 6: Final answer
    x = 22,537.94

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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.