Home / 28,024.02-42,059.76-13,243.56

Finding the Fourth Proportional to 28,024.02, 42,059.76 and 13,243.56

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Solution

The fourth proportional to 28,024.02, 42,059.76 and 13,243.56 is: 19,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.02 : 42,059.76 = 13,243.56 : x
  2. Step 2: Convert to fraction form
    28,024.02/42,059.76 = 13,243.56/x
  3. Step 3: Cross multiply
    28,024.02x = 42,059.76 × 13,243.56
  4. Step 4: Simplify right side
    28,024.02x = 557,020,955.15
  5. Step 5: Solve for x
    x = 557,020,955.15/28,024.02
  6. Step 6: Final answer
    x = 19,876.55

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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.