Home / 28,312.38-42,462.90-26,907.30

Finding the Fourth Proportional to 28,312.38, 42,462.90 and 26,907.30

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Solution

The fourth proportional to 28,312.38, 42,462.90 and 26,907.30 is: 40,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.38 : 42,462.90 = 26,907.30 : x
  2. Step 2: Convert to fraction form
    28,312.38/42,462.90 = 26,907.30/x
  3. Step 3: Cross multiply
    28,312.38x = 42,462.90 × 26,907.30
  4. Step 4: Simplify right side
    28,312.38x = 1,142,561,989.17
  5. Step 5: Solve for x
    x = 1,142,561,989.17/28,312.38
  6. Step 6: Final answer
    x = 40,355.56

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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.