Home / 28,907.68-39,894.45-16,160.91

Finding the Fourth Proportional to 28,907.68, 39,894.45 and 16,160.91

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Solution

The fourth proportional to 28,907.68, 39,894.45 and 16,160.91 is: 22,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.68 : 39,894.45 = 16,160.91 : x
  2. Step 2: Convert to fraction form
    28,907.68/39,894.45 = 16,160.91/x
  3. Step 3: Cross multiply
    28,907.68x = 39,894.45 × 16,160.91
  4. Step 4: Simplify right side
    28,907.68x = 644,730,535.14
  5. Step 5: Solve for x
    x = 644,730,535.14/28,907.68
  6. Step 6: Final answer
    x = 22,303.09

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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.