Home / 27,807.06-38,373.84-15,232.08

Finding the Fourth Proportional to 27,807.06, 38,373.84 and 15,232.08

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Solution

The fourth proportional to 27,807.06, 38,373.84 and 15,232.08 is: 21,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.06 : 38,373.84 = 15,232.08 : x
  2. Step 2: Convert to fraction form
    27,807.06/38,373.84 = 15,232.08/x
  3. Step 3: Cross multiply
    27,807.06x = 38,373.84 × 15,232.08
  4. Step 4: Simplify right side
    27,807.06x = 584,513,400.79
  5. Step 5: Solve for x
    x = 584,513,400.79/27,807.06
  6. Step 6: Final answer
    x = 21,020.32

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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.