Home / 28,357.40-42,511.48-14,305.69

Finding the Fourth Proportional to 28,357.40, 42,511.48 and 14,305.69

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Solution

The fourth proportional to 28,357.40, 42,511.48 and 14,305.69 is: 21,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.40 : 42,511.48 = 14,305.69 : x
  2. Step 2: Convert to fraction form
    28,357.40/42,511.48 = 14,305.69/x
  3. Step 3: Cross multiply
    28,357.40x = 42,511.48 × 14,305.69
  4. Step 4: Simplify right side
    28,357.40x = 608,156,054.32
  5. Step 5: Solve for x
    x = 608,156,054.32/28,357.40
  6. Step 6: Final answer
    x = 21,446.11

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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.