Home / 28,953.63-39,955.89-17,023.80

Finding the Fourth Proportional to 28,953.63, 39,955.89 and 17,023.80

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Solution

The fourth proportional to 28,953.63, 39,955.89 and 17,023.80 is: 23,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.63 : 39,955.89 = 17,023.80 : x
  2. Step 2: Convert to fraction form
    28,953.63/39,955.89 = 17,023.80/x
  3. Step 3: Cross multiply
    28,953.63x = 39,955.89 × 17,023.80
  4. Step 4: Simplify right side
    28,953.63x = 680,201,080.18
  5. Step 5: Solve for x
    x = 680,201,080.18/28,953.63
  6. Step 6: Final answer
    x = 23,492.77

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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.