Home / 27,762.69-38,313.63-15,187.44

Finding the Fourth Proportional to 27,762.69, 38,313.63 and 15,187.44

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Solution

The fourth proportional to 27,762.69, 38,313.63 and 15,187.44 is: 20,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.69 : 38,313.63 = 15,187.44 : x
  2. Step 2: Convert to fraction form
    27,762.69/38,313.63 = 15,187.44/x
  3. Step 3: Cross multiply
    27,762.69x = 38,313.63 × 15,187.44
  4. Step 4: Simplify right side
    27,762.69x = 581,885,956.81
  5. Step 5: Solve for x
    x = 581,885,956.81/27,762.69
  6. Step 6: Final answer
    x = 20,959.28

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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.