Home / 28,760.04-43,146.95-9,038.61

Finding the Fourth Proportional to 28,760.04, 43,146.95 and 9,038.61

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Solution

The fourth proportional to 28,760.04, 43,146.95 and 9,038.61 is: 13,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.04 : 43,146.95 = 9,038.61 : x
  2. Step 2: Convert to fraction form
    28,760.04/43,146.95 = 9,038.61/x
  3. Step 3: Cross multiply
    28,760.04x = 43,146.95 × 9,038.61
  4. Step 4: Simplify right side
    28,760.04x = 389,988,408.55
  5. Step 5: Solve for x
    x = 389,988,408.55/28,760.04
  6. Step 6: Final answer
    x = 13,560.08

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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.