Home / 27,018.06-40,502.40-9,478.32

Finding the Fourth Proportional to 27,018.06, 40,502.40 and 9,478.32

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Solution

The fourth proportional to 27,018.06, 40,502.40 and 9,478.32 is: 14,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.06 : 40,502.40 = 9,478.32 : x
  2. Step 2: Convert to fraction form
    27,018.06/40,502.40 = 9,478.32/x
  3. Step 3: Cross multiply
    27,018.06x = 40,502.40 × 9,478.32
  4. Step 4: Simplify right side
    27,018.06x = 383,894,707.97
  5. Step 5: Solve for x
    x = 383,894,707.97/27,018.06
  6. Step 6: Final answer
    x = 14,208.82

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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.