Home / 28,927.24-43,393.02-12,285.40

Finding the Fourth Proportional to 28,927.24, 43,393.02 and 12,285.40

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Solution

The fourth proportional to 28,927.24, 43,393.02 and 12,285.40 is: 18,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.24 : 43,393.02 = 12,285.40 : x
  2. Step 2: Convert to fraction form
    28,927.24/43,393.02 = 12,285.40/x
  3. Step 3: Cross multiply
    28,927.24x = 43,393.02 × 12,285.40
  4. Step 4: Simplify right side
    28,927.24x = 533,100,607.91
  5. Step 5: Solve for x
    x = 533,100,607.91/28,927.24
  6. Step 6: Final answer
    x = 18,429.02

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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.