Home / 28,312.01-42,438.85-15,160.85

Finding the Fourth Proportional to 28,312.01, 42,438.85 and 15,160.85

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Solution

The fourth proportional to 28,312.01, 42,438.85 and 15,160.85 is: 22,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.01 : 42,438.85 = 15,160.85 : x
  2. Step 2: Convert to fraction form
    28,312.01/42,438.85 = 15,160.85/x
  3. Step 3: Cross multiply
    28,312.01x = 42,438.85 × 15,160.85
  4. Step 4: Simplify right side
    28,312.01x = 643,408,788.93
  5. Step 5: Solve for x
    x = 643,408,788.93/28,312.01
  6. Step 6: Final answer
    x = 22,725.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.