Home / 27,159.90-40,740.12-7,440.18

Finding the Fourth Proportional to 27,159.90, 40,740.12 and 7,440.18

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Solution

The fourth proportional to 27,159.90, 40,740.12 and 7,440.18 is: 11,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.90 : 40,740.12 = 7,440.18 : x
  2. Step 2: Convert to fraction form
    27,159.90/40,740.12 = 7,440.18/x
  3. Step 3: Cross multiply
    27,159.90x = 40,740.12 × 7,440.18
  4. Step 4: Simplify right side
    27,159.90x = 303,113,826.02
  5. Step 5: Solve for x
    x = 303,113,826.02/27,159.90
  6. Step 6: Final answer
    x = 11,160.34

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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.