Home / 27,777.56-38,332.76-15,030.46

Finding the Fourth Proportional to 27,777.56, 38,332.76 and 15,030.46

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Solution

The fourth proportional to 27,777.56, 38,332.76 and 15,030.46 is: 20,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.56 : 38,332.76 = 15,030.46 : x
  2. Step 2: Convert to fraction form
    27,777.56/38,332.76 = 15,030.46/x
  3. Step 3: Cross multiply
    27,777.56x = 38,332.76 × 15,030.46
  4. Step 4: Simplify right side
    27,777.56x = 576,159,073.18
  5. Step 5: Solve for x
    x = 576,159,073.18/27,777.56
  6. Step 6: Final answer
    x = 20,741.89

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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.