Home / 27,148.72-40,723.08-7,426.48

Finding the Fourth Proportional to 27,148.72, 40,723.08 and 7,426.48

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Solution

The fourth proportional to 27,148.72, 40,723.08 and 7,426.48 is: 11,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.72 : 40,723.08 = 7,426.48 : x
  2. Step 2: Convert to fraction form
    27,148.72/40,723.08 = 7,426.48/x
  3. Step 3: Cross multiply
    27,148.72x = 40,723.08 × 7,426.48
  4. Step 4: Simplify right side
    27,148.72x = 302,429,139.16
  5. Step 5: Solve for x
    x = 302,429,139.16/27,148.72
  6. Step 6: Final answer
    x = 11,139.72

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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.