Home / 27,898.34-38,499.98-15,323.09

Finding the Fourth Proportional to 27,898.34, 38,499.98 and 15,323.09

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Solution

The fourth proportional to 27,898.34, 38,499.98 and 15,323.09 is: 21,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.34 : 38,499.98 = 15,323.09 : x
  2. Step 2: Convert to fraction form
    27,898.34/38,499.98 = 15,323.09/x
  3. Step 3: Cross multiply
    27,898.34x = 38,499.98 × 15,323.09
  4. Step 4: Simplify right side
    27,898.34x = 589,938,389.42
  5. Step 5: Solve for x
    x = 589,938,389.42/27,898.34
  6. Step 6: Final answer
    x = 21,146.01

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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.