Home / 28,372.02-42,483.69-20,006.73

Finding the Fourth Proportional to 28,372.02, 42,483.69 and 20,006.73

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Solution

The fourth proportional to 28,372.02, 42,483.69 and 20,006.73 is: 29,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.02 : 42,483.69 = 20,006.73 : x
  2. Step 2: Convert to fraction form
    28,372.02/42,483.69 = 20,006.73/x
  3. Step 3: Cross multiply
    28,372.02x = 42,483.69 × 20,006.73
  4. Step 4: Simplify right side
    28,372.02x = 849,959,715.23
  5. Step 5: Solve for x
    x = 849,959,715.23/28,372.02
  6. Step 6: Final answer
    x = 29,957.67

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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.