Home / 27,900.04-38,501.58-15,324.52

Finding the Fourth Proportional to 27,900.04, 38,501.58 and 15,324.52

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Solution

The fourth proportional to 27,900.04, 38,501.58 and 15,324.52 is: 21,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.04 : 38,501.58 = 15,324.52 : x
  2. Step 2: Convert to fraction form
    27,900.04/38,501.58 = 15,324.52/x
  3. Step 3: Cross multiply
    27,900.04x = 38,501.58 × 15,324.52
  4. Step 4: Simplify right side
    27,900.04x = 590,018,232.74
  5. Step 5: Solve for x
    x = 590,018,232.74/27,900.04
  6. Step 6: Final answer
    x = 21,147.58

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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.