Home / 28,209.68-42,303.59-15,054.88

Finding the Fourth Proportional to 28,209.68, 42,303.59 and 15,054.88

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Solution

The fourth proportional to 28,209.68, 42,303.59 and 15,054.88 is: 22,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.68 : 42,303.59 = 15,054.88 : x
  2. Step 2: Convert to fraction form
    28,209.68/42,303.59 = 15,054.88/x
  3. Step 3: Cross multiply
    28,209.68x = 42,303.59 × 15,054.88
  4. Step 4: Simplify right side
    28,209.68x = 636,875,289.99
  5. Step 5: Solve for x
    x = 636,875,289.99/28,209.68
  6. Step 6: Final answer
    x = 22,576.48

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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.