Home / 22,670.05-31,279.02-14,158.96

Finding the Fourth Proportional to 22,670.05, 31,279.02 and 14,158.96

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Solution

The fourth proportional to 22,670.05, 31,279.02 and 14,158.96 is: 19,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.05 : 31,279.02 = 14,158.96 : x
  2. Step 2: Convert to fraction form
    22,670.05/31,279.02 = 14,158.96/x
  3. Step 3: Cross multiply
    22,670.05x = 31,279.02 × 14,158.96
  4. Step 4: Simplify right side
    22,670.05x = 442,878,393.02
  5. Step 5: Solve for x
    x = 442,878,393.02/22,670.05
  6. Step 6: Final answer
    x = 19,535.84

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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.