Home / 28,897.72-43,359.10-10,191.13

Finding the Fourth Proportional to 28,897.72, 43,359.10 and 10,191.13

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Solution

The fourth proportional to 28,897.72, 43,359.10 and 10,191.13 is: 15,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.72 : 43,359.10 = 10,191.13 : x
  2. Step 2: Convert to fraction form
    28,897.72/43,359.10 = 10,191.13/x
  3. Step 3: Cross multiply
    28,897.72x = 43,359.10 × 10,191.13
  4. Step 4: Simplify right side
    28,897.72x = 441,878,090.91
  5. Step 5: Solve for x
    x = 441,878,090.91/28,897.72
  6. Step 6: Final answer
    x = 15,291.11

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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.