Home / 27,438.02-37,865.21-15,501.12

Finding the Fourth Proportional to 27,438.02, 37,865.21 and 15,501.12

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Solution

The fourth proportional to 27,438.02, 37,865.21 and 15,501.12 is: 21,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.02 : 37,865.21 = 15,501.12 : x
  2. Step 2: Convert to fraction form
    27,438.02/37,865.21 = 15,501.12/x
  3. Step 3: Cross multiply
    27,438.02x = 37,865.21 × 15,501.12
  4. Step 4: Simplify right side
    27,438.02x = 586,953,164.04
  5. Step 5: Solve for x
    x = 586,953,164.04/27,438.02
  6. Step 6: Final answer
    x = 21,391.97

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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.