Home / 28,237.09-42,302.18-18,848.80

Finding the Fourth Proportional to 28,237.09, 42,302.18 and 18,848.80

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Solution

The fourth proportional to 28,237.09, 42,302.18 and 18,848.80 is: 28,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.09 : 42,302.18 = 18,848.80 : x
  2. Step 2: Convert to fraction form
    28,237.09/42,302.18 = 18,848.80/x
  3. Step 3: Cross multiply
    28,237.09x = 42,302.18 × 18,848.80
  4. Step 4: Simplify right side
    28,237.09x = 797,345,236.14
  5. Step 5: Solve for x
    x = 797,345,236.14/28,237.09
  6. Step 6: Final answer
    x = 28,237.51

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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.