Home / 27,700.11-38,206.76-18,743.67

Finding the Fourth Proportional to 27,700.11, 38,206.76 and 18,743.67

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Solution

The fourth proportional to 27,700.11, 38,206.76 and 18,743.67 is: 25,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.11 : 38,206.76 = 18,743.67 : x
  2. Step 2: Convert to fraction form
    27,700.11/38,206.76 = 18,743.67/x
  3. Step 3: Cross multiply
    27,700.11x = 38,206.76 × 18,743.67
  4. Step 4: Simplify right side
    27,700.11x = 716,134,807.49
  5. Step 5: Solve for x
    x = 716,134,807.49/27,700.11
  6. Step 6: Final answer
    x = 25,853.14

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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.