Home / 27,538.74-38,002.10-15,601.77

Finding the Fourth Proportional to 27,538.74, 38,002.10 and 15,601.77

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Solution

The fourth proportional to 27,538.74, 38,002.10 and 15,601.77 is: 21,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.74 : 38,002.10 = 15,601.77 : x
  2. Step 2: Convert to fraction form
    27,538.74/38,002.10 = 15,601.77/x
  3. Step 3: Cross multiply
    27,538.74x = 38,002.10 × 15,601.77
  4. Step 4: Simplify right side
    27,538.74x = 592,899,945.71
  5. Step 5: Solve for x
    x = 592,899,945.71/27,538.74
  6. Step 6: Final answer
    x = 21,529.67

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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.