Home / 27,721.02-38,158.62-24,178.08

Finding the Fourth Proportional to 27,721.02, 38,158.62 and 24,178.08

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Solution

The fourth proportional to 27,721.02, 38,158.62 and 24,178.08 is: 33,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.02 : 38,158.62 = 24,178.08 : x
  2. Step 2: Convert to fraction form
    27,721.02/38,158.62 = 24,178.08/x
  3. Step 3: Cross multiply
    27,721.02x = 38,158.62 × 24,178.08
  4. Step 4: Simplify right side
    27,721.02x = 922,602,167.05
  5. Step 5: Solve for x
    x = 922,602,167.05/27,721.02
  6. Step 6: Final answer
    x = 33,281.68

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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.