Home / 28,501.52-39,332.08-15,926.24

Finding the Fourth Proportional to 28,501.52, 39,332.08 and 15,926.24

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Solution

The fourth proportional to 28,501.52, 39,332.08 and 15,926.24 is: 21,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.52 : 39,332.08 = 15,926.24 : x
  2. Step 2: Convert to fraction form
    28,501.52/39,332.08 = 15,926.24/x
  3. Step 3: Cross multiply
    28,501.52x = 39,332.08 × 15,926.24
  4. Step 4: Simplify right side
    28,501.52x = 626,412,145.78
  5. Step 5: Solve for x
    x = 626,412,145.78/28,501.52
  6. Step 6: Final answer
    x = 21,978.20

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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.