Home / 28,148.59-38,838.99-17,943.52

Finding the Fourth Proportional to 28,148.59, 38,838.99 and 17,943.52

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Solution

The fourth proportional to 28,148.59, 38,838.99 and 17,943.52 is: 24,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.59 : 38,838.99 = 17,943.52 : x
  2. Step 2: Convert to fraction form
    28,148.59/38,838.99 = 17,943.52/x
  3. Step 3: Cross multiply
    28,148.59x = 38,838.99 × 17,943.52
  4. Step 4: Simplify right side
    28,148.59x = 696,908,193.84
  5. Step 5: Solve for x
    x = 696,908,193.84/28,148.59
  6. Step 6: Final answer
    x = 24,758.19

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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.