Home / 27,267.04-37,628.52-15,330.40

Finding the Fourth Proportional to 27,267.04, 37,628.52 and 15,330.40

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Solution

The fourth proportional to 27,267.04, 37,628.52 and 15,330.40 is: 21,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,267.04 : 37,628.52 = 15,330.40 : x
  2. Step 2: Convert to fraction form
    27,267.04/37,628.52 = 15,330.40/x
  3. Step 3: Cross multiply
    27,267.04x = 37,628.52 × 15,330.40
  4. Step 4: Simplify right side
    27,267.04x = 576,860,263.01
  5. Step 5: Solve for x
    x = 576,860,263.01/27,267.04
  6. Step 6: Final answer
    x = 21,155.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.