Home / 28,053.18-38,714.13-15,955.65

Finding the Fourth Proportional to 28,053.18, 38,714.13 and 15,955.65

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Solution

The fourth proportional to 28,053.18, 38,714.13 and 15,955.65 is: 22,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.18 : 38,714.13 = 15,955.65 : x
  2. Step 2: Convert to fraction form
    28,053.18/38,714.13 = 15,955.65/x
  3. Step 3: Cross multiply
    28,053.18x = 38,714.13 × 15,955.65
  4. Step 4: Simplify right side
    28,053.18x = 617,709,108.33
  5. Step 5: Solve for x
    x = 617,709,108.33/28,053.18
  6. Step 6: Final answer
    x = 22,019.22

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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.