Home / 28,044.10-38,700.71-15,297.08

Finding the Fourth Proportional to 28,044.10, 38,700.71 and 15,297.08

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Solution

The fourth proportional to 28,044.10, 38,700.71 and 15,297.08 is: 21,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.10 : 38,700.71 = 15,297.08 : x
  2. Step 2: Convert to fraction form
    28,044.10/38,700.71 = 15,297.08/x
  3. Step 3: Cross multiply
    28,044.10x = 38,700.71 × 15,297.08
  4. Step 4: Simplify right side
    28,044.10x = 592,007,796.17
  5. Step 5: Solve for x
    x = 592,007,796.17/28,044.10
  6. Step 6: Final answer
    x = 21,109.89

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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.