Home / 28,988.48-40,008.33-16,242.52

Finding the Fourth Proportional to 28,988.48, 40,008.33 and 16,242.52

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Solution

The fourth proportional to 28,988.48, 40,008.33 and 16,242.52 is: 22,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.48 : 40,008.33 = 16,242.52 : x
  2. Step 2: Convert to fraction form
    28,988.48/40,008.33 = 16,242.52/x
  3. Step 3: Cross multiply
    28,988.48x = 40,008.33 × 16,242.52
  4. Step 4: Simplify right side
    28,988.48x = 649,836,018.98
  5. Step 5: Solve for x
    x = 649,836,018.98/28,988.48
  6. Step 6: Final answer
    x = 22,417.05

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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.