Home / 28,279.19-42,397.83-14,228.93

Finding the Fourth Proportional to 28,279.19, 42,397.83 and 14,228.93

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Solution

The fourth proportional to 28,279.19, 42,397.83 and 14,228.93 is: 21,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.19 : 42,397.83 = 14,228.93 : x
  2. Step 2: Convert to fraction form
    28,279.19/42,397.83 = 14,228.93/x
  3. Step 3: Cross multiply
    28,279.19x = 42,397.83 × 14,228.93
  4. Step 4: Simplify right side
    28,279.19x = 603,275,861.22
  5. Step 5: Solve for x
    x = 603,275,861.22/28,279.19
  6. Step 6: Final answer
    x = 21,332.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.