Home / 27,302.60-37,678.80-15,366.71

Finding the Fourth Proportional to 27,302.60, 37,678.80 and 15,366.71

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Solution

The fourth proportional to 27,302.60, 37,678.80 and 15,366.71 is: 21,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,302.60 : 37,678.80 = 15,366.71 : x
  2. Step 2: Convert to fraction form
    27,302.60/37,678.80 = 15,366.71/x
  3. Step 3: Cross multiply
    27,302.60x = 37,678.80 × 15,366.71
  4. Step 4: Simplify right side
    27,302.60x = 578,999,344.57
  5. Step 5: Solve for x
    x = 578,999,344.57/27,302.60
  6. Step 6: Final answer
    x = 21,206.75

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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.