Home / 28,014.23-38,658.65-15,267.14

Finding the Fourth Proportional to 28,014.23, 38,658.65 and 15,267.14

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Solution

The fourth proportional to 28,014.23, 38,658.65 and 15,267.14 is: 21,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.23 : 38,658.65 = 15,267.14 : x
  2. Step 2: Convert to fraction form
    28,014.23/38,658.65 = 15,267.14/x
  3. Step 3: Cross multiply
    28,014.23x = 38,658.65 × 15,267.14
  4. Step 4: Simplify right side
    28,014.23x = 590,206,752.13
  5. Step 5: Solve for x
    x = 590,206,752.13/28,014.23
  6. Step 6: Final answer
    x = 21,068.11

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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.