Home / 28,063.65-42,113.93-10,533.48

Finding the Fourth Proportional to 28,063.65, 42,113.93 and 10,533.48

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Solution

The fourth proportional to 28,063.65, 42,113.93 and 10,533.48 is: 15,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.65 : 42,113.93 = 10,533.48 : x
  2. Step 2: Convert to fraction form
    28,063.65/42,113.93 = 10,533.48/x
  3. Step 3: Cross multiply
    28,063.65x = 42,113.93 × 10,533.48
  4. Step 4: Simplify right side
    28,063.65x = 443,606,273.11
  5. Step 5: Solve for x
    x = 443,606,273.11/28,063.65
  6. Step 6: Final answer
    x = 15,807.15

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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.