Home / 27,320.79-40,970.39-13,276.66

Finding the Fourth Proportional to 27,320.79, 40,970.39 and 13,276.66

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Solution

The fourth proportional to 27,320.79, 40,970.39 and 13,276.66 is: 19,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.79 : 40,970.39 = 13,276.66 : x
  2. Step 2: Convert to fraction form
    27,320.79/40,970.39 = 13,276.66/x
  3. Step 3: Cross multiply
    27,320.79x = 40,970.39 × 13,276.66
  4. Step 4: Simplify right side
    27,320.79x = 543,949,920.79
  5. Step 5: Solve for x
    x = 543,949,920.79/27,320.79
  6. Step 6: Final answer
    x = 19,909.74

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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.