Home / 27,898.02-38,499.57-15,322.50

Finding the Fourth Proportional to 27,898.02, 38,499.57 and 15,322.50

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Solution

The fourth proportional to 27,898.02, 38,499.57 and 15,322.50 is: 21,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.02 : 38,499.57 = 15,322.50 : x
  2. Step 2: Convert to fraction form
    27,898.02/38,499.57 = 15,322.50/x
  3. Step 3: Cross multiply
    27,898.02x = 38,499.57 × 15,322.50
  4. Step 4: Simplify right side
    27,898.02x = 589,909,661.33
  5. Step 5: Solve for x
    x = 589,909,661.33/27,898.02
  6. Step 6: Final answer
    x = 21,145.22

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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.