Home / 27,777.47-38,332.63-15,030.37

Finding the Fourth Proportional to 27,777.47, 38,332.63 and 15,030.37

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Solution

The fourth proportional to 27,777.47, 38,332.63 and 15,030.37 is: 20,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.47 : 38,332.63 = 15,030.37 : x
  2. Step 2: Convert to fraction form
    27,777.47/38,332.63 = 15,030.37/x
  3. Step 3: Cross multiply
    27,777.47x = 38,332.63 × 15,030.37
  4. Step 4: Simplify right side
    27,777.47x = 576,153,478.57
  5. Step 5: Solve for x
    x = 576,153,478.57/27,777.47
  6. Step 6: Final answer
    x = 20,741.76

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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.