Home / 28,501.68-39,332.08-15,926.44

Finding the Fourth Proportional to 28,501.68, 39,332.08 and 15,926.44

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Solution

The fourth proportional to 28,501.68, 39,332.08 and 15,926.44 is: 21,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.68 : 39,332.08 = 15,926.44 : x
  2. Step 2: Convert to fraction form
    28,501.68/39,332.08 = 15,926.44/x
  3. Step 3: Cross multiply
    28,501.68x = 39,332.08 × 15,926.44
  4. Step 4: Simplify right side
    28,501.68x = 626,420,012.20
  5. Step 5: Solve for x
    x = 626,420,012.20/28,501.68
  6. Step 6: Final answer
    x = 21,978.35

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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.