Home / 27,947.70-38,565.72-15,373.26

Finding the Fourth Proportional to 27,947.70, 38,565.72 and 15,373.26

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Solution

The fourth proportional to 27,947.70, 38,565.72 and 15,373.26 is: 21,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.70 : 38,565.72 = 15,373.26 : x
  2. Step 2: Convert to fraction form
    27,947.70/38,565.72 = 15,373.26/x
  3. Step 3: Cross multiply
    27,947.70x = 38,565.72 × 15,373.26
  4. Step 4: Simplify right side
    27,947.70x = 592,880,840.65
  5. Step 5: Solve for x
    x = 592,880,840.65/27,947.70
  6. Step 6: Final answer
    x = 21,213.94

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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.