Home / 27,143.73-37,457.91-15,206.99

Finding the Fourth Proportional to 27,143.73, 37,457.91 and 15,206.99

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Solution

The fourth proportional to 27,143.73, 37,457.91 and 15,206.99 is: 20,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.73 : 37,457.91 = 15,206.99 : x
  2. Step 2: Convert to fraction form
    27,143.73/37,457.91 = 15,206.99/x
  3. Step 3: Cross multiply
    27,143.73x = 37,457.91 × 15,206.99
  4. Step 4: Simplify right side
    27,143.73x = 569,621,875.50
  5. Step 5: Solve for x
    x = 569,621,875.50/27,143.73
  6. Step 6: Final answer
    x = 20,985.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.