Home / 40,275.38-55,560.74-28,345.34

Finding the Fourth Proportional to 40,275.38, 55,560.74 and 28,345.34

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Solution

The fourth proportional to 40,275.38, 55,560.74 and 28,345.34 is: 39,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.38 : 55,560.74 = 28,345.34 : x
  2. Step 2: Convert to fraction form
    40,275.38/55,560.74 = 28,345.34/x
  3. Step 3: Cross multiply
    40,275.38x = 55,560.74 × 28,345.34
  4. Step 4: Simplify right side
    40,275.38x = 1,574,888,065.95
  5. Step 5: Solve for x
    x = 1,574,888,065.95/40,275.38
  6. Step 6: Final answer
    x = 39,103.00

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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.