Home / 28,011.94-42,025.20-10,483.16

Finding the Fourth Proportional to 28,011.94, 42,025.20 and 10,483.16

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Solution

The fourth proportional to 28,011.94, 42,025.20 and 10,483.16 is: 15,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.94 : 42,025.20 = 10,483.16 : x
  2. Step 2: Convert to fraction form
    28,011.94/42,025.20 = 10,483.16/x
  3. Step 3: Cross multiply
    28,011.94x = 42,025.20 × 10,483.16
  4. Step 4: Simplify right side
    28,011.94x = 440,556,895.63
  5. Step 5: Solve for x
    x = 440,556,895.63/28,011.94
  6. Step 6: Final answer
    x = 15,727.47

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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.