Home / 23,005.35-31,746.84-15,047.40

Finding the Fourth Proportional to 23,005.35, 31,746.84 and 15,047.40

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Solution

The fourth proportional to 23,005.35, 31,746.84 and 15,047.40 is: 20,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.35 : 31,746.84 = 15,047.40 : x
  2. Step 2: Convert to fraction form
    23,005.35/31,746.84 = 15,047.40/x
  3. Step 3: Cross multiply
    23,005.35x = 31,746.84 × 15,047.40
  4. Step 4: Simplify right side
    23,005.35x = 477,707,462.84
  5. Step 5: Solve for x
    x = 477,707,462.84/23,005.35
  6. Step 6: Final answer
    x = 20,765.06

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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.