Home / 28,753.02-43,131.23-9,031.58

Finding the Fourth Proportional to 28,753.02, 43,131.23 and 9,031.58

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Solution

The fourth proportional to 28,753.02, 43,131.23 and 9,031.58 is: 13,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.02 : 43,131.23 = 9,031.58 : x
  2. Step 2: Convert to fraction form
    28,753.02/43,131.23 = 9,031.58/x
  3. Step 3: Cross multiply
    28,753.02x = 43,131.23 × 9,031.58
  4. Step 4: Simplify right side
    28,753.02x = 389,542,938.59
  5. Step 5: Solve for x
    x = 389,542,938.59/28,753.02
  6. Step 6: Final answer
    x = 13,547.90

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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.