Home / 28,005.12-41,995.30-14,854.48

Finding the Fourth Proportional to 28,005.12, 41,995.30 and 14,854.48

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Solution

The fourth proportional to 28,005.12, 41,995.30 and 14,854.48 is: 22,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.12 : 41,995.30 = 14,854.48 : x
  2. Step 2: Convert to fraction form
    28,005.12/41,995.30 = 14,854.48/x
  3. Step 3: Cross multiply
    28,005.12x = 41,995.30 × 14,854.48
  4. Step 4: Simplify right side
    28,005.12x = 623,818,343.94
  5. Step 5: Solve for x
    x = 623,818,343.94/28,005.12
  6. Step 6: Final answer
    x = 22,275.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.