Home / 27,438.42-37,864.95-15,501.76

Finding the Fourth Proportional to 27,438.42, 37,864.95 and 15,501.76

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Solution

The fourth proportional to 27,438.42, 37,864.95 and 15,501.76 is: 21,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.42 : 37,864.95 = 15,501.76 : x
  2. Step 2: Convert to fraction form
    27,438.42/37,864.95 = 15,501.76/x
  3. Step 3: Cross multiply
    27,438.42x = 37,864.95 × 15,501.76
  4. Step 4: Simplify right side
    27,438.42x = 586,973,214.52
  5. Step 5: Solve for x
    x = 586,973,214.52/27,438.42
  6. Step 6: Final answer
    x = 21,392.38

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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.