Home / 27,009.09-40,442.73-19,068.72

Finding the Fourth Proportional to 27,009.09, 40,442.73 and 19,068.72

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Solution

The fourth proportional to 27,009.09, 40,442.73 and 19,068.72 is: 28,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.09 : 40,442.73 = 19,068.72 : x
  2. Step 2: Convert to fraction form
    27,009.09/40,442.73 = 19,068.72/x
  3. Step 3: Cross multiply
    27,009.09x = 40,442.73 × 19,068.72
  4. Step 4: Simplify right side
    27,009.09x = 771,191,094.41
  5. Step 5: Solve for x
    x = 771,191,094.41/27,009.09
  6. Step 6: Final answer
    x = 28,553.02

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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.