Home / 27,903.96-38,509.02-15,964.56

Finding the Fourth Proportional to 27,903.96, 38,509.02 and 15,964.56

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Solution

The fourth proportional to 27,903.96, 38,509.02 and 15,964.56 is: 22,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.96 : 38,509.02 = 15,964.56 : x
  2. Step 2: Convert to fraction form
    27,903.96/38,509.02 = 15,964.56/x
  3. Step 3: Cross multiply
    27,903.96x = 38,509.02 × 15,964.56
  4. Step 4: Simplify right side
    27,903.96x = 614,779,560.33
  5. Step 5: Solve for x
    x = 614,779,560.33/27,903.96
  6. Step 6: Final answer
    x = 22,031.98

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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.