Home / 28,354.34-42,501.83-10,577.85

Finding the Fourth Proportional to 28,354.34, 42,501.83 and 10,577.85

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Solution

The fourth proportional to 28,354.34, 42,501.83 and 10,577.85 is: 15,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.34 : 42,501.83 = 10,577.85 : x
  2. Step 2: Convert to fraction form
    28,354.34/42,501.83 = 10,577.85/x
  3. Step 3: Cross multiply
    28,354.34x = 42,501.83 × 10,577.85
  4. Step 4: Simplify right side
    28,354.34x = 449,577,849.53
  5. Step 5: Solve for x
    x = 449,577,849.53/28,354.34
  6. Step 6: Final answer
    x = 15,855.70

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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.