Home / 27,905.04-38,482.48-18,328.08

Finding the Fourth Proportional to 27,905.04, 38,482.48 and 18,328.08

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Solution

The fourth proportional to 27,905.04, 38,482.48 and 18,328.08 is: 25,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.04 : 38,482.48 = 18,328.08 : x
  2. Step 2: Convert to fraction form
    27,905.04/38,482.48 = 18,328.08/x
  3. Step 3: Cross multiply
    27,905.04x = 38,482.48 × 18,328.08
  4. Step 4: Simplify right side
    27,905.04x = 705,309,972.04
  5. Step 5: Solve for x
    x = 705,309,972.04/27,905.04
  6. Step 6: Final answer
    x = 25,275.36

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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.