Home / 27,407.04-37,821.70-15,470.48

Finding the Fourth Proportional to 27,407.04, 37,821.70 and 15,470.48

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Solution

The fourth proportional to 27,407.04, 37,821.70 and 15,470.48 is: 21,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.04 : 37,821.70 = 15,470.48 : x
  2. Step 2: Convert to fraction form
    27,407.04/37,821.70 = 15,470.48/x
  3. Step 3: Cross multiply
    27,407.04x = 37,821.70 × 15,470.48
  4. Step 4: Simplify right side
    27,407.04x = 585,119,853.42
  5. Step 5: Solve for x
    x = 585,119,853.42/27,407.04
  6. Step 6: Final answer
    x = 21,349.25

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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.