Home / 28,110.24-42,077.88-17,700.12

Finding the Fourth Proportional to 28,110.24, 42,077.88 and 17,700.12

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Solution

The fourth proportional to 28,110.24, 42,077.88 and 17,700.12 is: 26,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.24 : 42,077.88 = 17,700.12 : x
  2. Step 2: Convert to fraction form
    28,110.24/42,077.88 = 17,700.12/x
  3. Step 3: Cross multiply
    28,110.24x = 42,077.88 × 17,700.12
  4. Step 4: Simplify right side
    28,110.24x = 744,783,525.35
  5. Step 5: Solve for x
    x = 744,783,525.35/28,110.24
  6. Step 6: Final answer
    x = 26,495.10

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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.