Home / 28,106.67-42,192.36-14,284.83

Finding the Fourth Proportional to 28,106.67, 42,192.36 and 14,284.83

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Solution

The fourth proportional to 28,106.67, 42,192.36 and 14,284.83 is: 21,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.67 : 42,192.36 = 14,284.83 : x
  2. Step 2: Convert to fraction form
    28,106.67/42,192.36 = 14,284.83/x
  3. Step 3: Cross multiply
    28,106.67x = 42,192.36 × 14,284.83
  4. Step 4: Simplify right side
    28,106.67x = 602,710,689.90
  5. Step 5: Solve for x
    x = 602,710,689.90/28,106.67
  6. Step 6: Final answer
    x = 21,443.69

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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.