Home / 39,952.07-55,117.08-28,023.20

Finding the Fourth Proportional to 39,952.07, 55,117.08 and 28,023.20

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Solution

The fourth proportional to 39,952.07, 55,117.08 and 28,023.20 is: 38,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.07 : 55,117.08 = 28,023.20 : x
  2. Step 2: Convert to fraction form
    39,952.07/55,117.08 = 28,023.20/x
  3. Step 3: Cross multiply
    39,952.07x = 55,117.08 × 28,023.20
  4. Step 4: Simplify right side
    39,952.07x = 1,544,556,956.26
  5. Step 5: Solve for x
    x = 1,544,556,956.26/39,952.07
  6. Step 6: Final answer
    x = 38,660.25

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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.