Home / 27,041.75-40,534.79-12,980.69

Finding the Fourth Proportional to 27,041.75, 40,534.79 and 12,980.69

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Solution

The fourth proportional to 27,041.75, 40,534.79 and 12,980.69 is: 19,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041.75 : 40,534.79 = 12,980.69 : x
  2. Step 2: Convert to fraction form
    27,041.75/40,534.79 = 12,980.69/x
  3. Step 3: Cross multiply
    27,041.75x = 40,534.79 × 12,980.69
  4. Step 4: Simplify right side
    27,041.75x = 526,169,275.63
  5. Step 5: Solve for x
    x = 526,169,275.63/27,041.75
  6. Step 6: Final answer
    x = 19,457.67

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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.