Home / 28,789.04-39,726.12-16,041.68

Finding the Fourth Proportional to 28,789.04, 39,726.12 and 16,041.68

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Solution

The fourth proportional to 28,789.04, 39,726.12 and 16,041.68 is: 22,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.04 : 39,726.12 = 16,041.68 : x
  2. Step 2: Convert to fraction form
    28,789.04/39,726.12 = 16,041.68/x
  3. Step 3: Cross multiply
    28,789.04x = 39,726.12 × 16,041.68
  4. Step 4: Simplify right side
    28,789.04x = 637,273,704.68
  5. Step 5: Solve for x
    x = 637,273,704.68/28,789.04
  6. Step 6: Final answer
    x = 22,135.98

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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.