Home / 27,637.93-38,140.47-15,701.93

Finding the Fourth Proportional to 27,637.93, 38,140.47 and 15,701.93

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Solution

The fourth proportional to 27,637.93, 38,140.47 and 15,701.93 is: 21,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.93 : 38,140.47 = 15,701.93 : x
  2. Step 2: Convert to fraction form
    27,637.93/38,140.47 = 15,701.93/x
  3. Step 3: Cross multiply
    27,637.93x = 38,140.47 × 15,701.93
  4. Step 4: Simplify right side
    27,637.93x = 598,878,838.66
  5. Step 5: Solve for x
    x = 598,878,838.66/27,637.93
  6. Step 6: Final answer
    x = 21,668.73

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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.