Home / 27,895.51-38,495.55-15,320.26

Finding the Fourth Proportional to 27,895.51, 38,495.55 and 15,320.26

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Solution

The fourth proportional to 27,895.51, 38,495.55 and 15,320.26 is: 21,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.51 : 38,495.55 = 15,320.26 : x
  2. Step 2: Convert to fraction form
    27,895.51/38,495.55 = 15,320.26/x
  3. Step 3: Cross multiply
    27,895.51x = 38,495.55 × 15,320.26
  4. Step 4: Simplify right side
    27,895.51x = 589,761,834.84
  5. Step 5: Solve for x
    x = 589,761,834.84/27,895.51
  6. Step 6: Final answer
    x = 21,141.82

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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.