Home / 28,491.35-39,295.65-26,581.51

Finding the Fourth Proportional to 28,491.35, 39,295.65 and 26,581.51

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Solution

The fourth proportional to 28,491.35, 39,295.65 and 26,581.51 is: 36,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.35 : 39,295.65 = 26,581.51 : x
  2. Step 2: Convert to fraction form
    28,491.35/39,295.65 = 26,581.51/x
  3. Step 3: Cross multiply
    28,491.35x = 39,295.65 × 26,581.51
  4. Step 4: Simplify right side
    28,491.35x = 1,044,537,580.52
  5. Step 5: Solve for x
    x = 1,044,537,580.52/28,491.35
  6. Step 6: Final answer
    x = 36,661.57

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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.