Home / 28,700.08-42,969.92-15,505.18

Finding the Fourth Proportional to 28,700.08, 42,969.92 and 15,505.18

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Solution

The fourth proportional to 28,700.08, 42,969.92 and 15,505.18 is: 23,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.08 : 42,969.92 = 15,505.18 : x
  2. Step 2: Convert to fraction form
    28,700.08/42,969.92 = 15,505.18/x
  3. Step 3: Cross multiply
    28,700.08x = 42,969.92 × 15,505.18
  4. Step 4: Simplify right side
    28,700.08x = 666,256,344.19
  5. Step 5: Solve for x
    x = 666,256,344.19/28,700.08
  6. Step 6: Final answer
    x = 23,214.44

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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.