Home / 22,655.80-31,276.30-14,162.65

Finding the Fourth Proportional to 22,655.80, 31,276.30 and 14,162.65

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Solution

The fourth proportional to 22,655.80, 31,276.30 and 14,162.65 is: 19,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.80 : 31,276.30 = 14,162.65 : x
  2. Step 2: Convert to fraction form
    22,655.80/31,276.30 = 14,162.65/x
  3. Step 3: Cross multiply
    22,655.80x = 31,276.30 × 14,162.65
  4. Step 4: Simplify right side
    22,655.80x = 442,955,242.99
  5. Step 5: Solve for x
    x = 442,955,242.99/22,655.80
  6. Step 6: Final answer
    x = 19,551.52

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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.