Home / 28,670.51-39,479.59-26,579.63

Finding the Fourth Proportional to 28,670.51, 39,479.59 and 26,579.63

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Solution

The fourth proportional to 28,670.51, 39,479.59 and 26,579.63 is: 36,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.51 : 39,479.59 = 26,579.63 : x
  2. Step 2: Convert to fraction form
    28,670.51/39,479.59 = 26,579.63/x
  3. Step 3: Cross multiply
    28,670.51x = 39,479.59 × 26,579.63
  4. Step 4: Simplify right side
    28,670.51x = 1,049,352,894.75
  5. Step 5: Solve for x
    x = 1,049,352,894.75/28,670.51
  6. Step 6: Final answer
    x = 36,600.43

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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.