Home / 27,153.04-40,715.80-9,620.40

Finding the Fourth Proportional to 27,153.04, 40,715.80 and 9,620.40

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Solution

The fourth proportional to 27,153.04, 40,715.80 and 9,620.40 is: 14,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.04 : 40,715.80 = 9,620.40 : x
  2. Step 2: Convert to fraction form
    27,153.04/40,715.80 = 9,620.40/x
  3. Step 3: Cross multiply
    27,153.04x = 40,715.80 × 9,620.40
  4. Step 4: Simplify right side
    27,153.04x = 391,702,282.32
  5. Step 5: Solve for x
    x = 391,702,282.32/27,153.04
  6. Step 6: Final answer
    x = 14,425.72

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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.