Home / 28,501.54-42,729.25-11,874.06

Finding the Fourth Proportional to 28,501.54, 42,729.25 and 11,874.06

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Solution

The fourth proportional to 28,501.54, 42,729.25 and 11,874.06 is: 17,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.54 : 42,729.25 = 11,874.06 : x
  2. Step 2: Convert to fraction form
    28,501.54/42,729.25 = 11,874.06/x
  3. Step 3: Cross multiply
    28,501.54x = 42,729.25 × 11,874.06
  4. Step 4: Simplify right side
    28,501.54x = 507,369,678.26
  5. Step 5: Solve for x
    x = 507,369,678.26/28,501.54
  6. Step 6: Final answer
    x = 17,801.48

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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.