Home / 27,779.13-38,334.90-15,032.01

Finding the Fourth Proportional to 27,779.13, 38,334.90 and 15,032.01

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Solution

The fourth proportional to 27,779.13, 38,334.90 and 15,032.01 is: 20,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.13 : 38,334.90 = 15,032.01 : x
  2. Step 2: Convert to fraction form
    27,779.13/38,334.90 = 15,032.01/x
  3. Step 3: Cross multiply
    27,779.13x = 38,334.90 × 15,032.01
  4. Step 4: Simplify right side
    27,779.13x = 576,250,600.15
  5. Step 5: Solve for x
    x = 576,250,600.15/27,779.13
  6. Step 6: Final answer
    x = 20,744.01

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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.