Home / 28,335.98-42,504.05-13,541.54

Finding the Fourth Proportional to 28,335.98, 42,504.05 and 13,541.54

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Solution

The fourth proportional to 28,335.98, 42,504.05 and 13,541.54 is: 20,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.98 : 42,504.05 = 13,541.54 : x
  2. Step 2: Convert to fraction form
    28,335.98/42,504.05 = 13,541.54/x
  3. Step 3: Cross multiply
    28,335.98x = 42,504.05 × 13,541.54
  4. Step 4: Simplify right side
    28,335.98x = 575,570,013.01
  5. Step 5: Solve for x
    x = 575,570,013.01/28,335.98
  6. Step 6: Final answer
    x = 20,312.34

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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.