Home / 27,385.04-37,792.32-15,448.88

Finding the Fourth Proportional to 27,385.04, 37,792.32 and 15,448.88

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Solution

The fourth proportional to 27,385.04, 37,792.32 and 15,448.88 is: 21,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.04 : 37,792.32 = 15,448.88 : x
  2. Step 2: Convert to fraction form
    27,385.04/37,792.32 = 15,448.88/x
  3. Step 3: Cross multiply
    27,385.04x = 37,792.32 × 15,448.88
  4. Step 4: Simplify right side
    27,385.04x = 583,849,016.60
  5. Step 5: Solve for x
    x = 583,849,016.60/27,385.04
  6. Step 6: Final answer
    x = 21,320.00

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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.