Home / 27,002.28-40,501.62-12,972.36

Finding the Fourth Proportional to 27,002.28, 40,501.62 and 12,972.36

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Solution

The fourth proportional to 27,002.28, 40,501.62 and 12,972.36 is: 19,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.28 : 40,501.62 = 12,972.36 : x
  2. Step 2: Convert to fraction form
    27,002.28/40,501.62 = 12,972.36/x
  3. Step 3: Cross multiply
    27,002.28x = 40,501.62 × 12,972.36
  4. Step 4: Simplify right side
    27,002.28x = 525,401,595.22
  5. Step 5: Solve for x
    x = 525,401,595.22/27,002.28
  6. Step 6: Final answer
    x = 19,457.68

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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.