Home / 28,129.52-38,835.59-17,533.51

Finding the Fourth Proportional to 28,129.52, 38,835.59 and 17,533.51

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Solution

The fourth proportional to 28,129.52, 38,835.59 and 17,533.51 is: 24,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129.52 : 38,835.59 = 17,533.51 : x
  2. Step 2: Convert to fraction form
    28,129.52/38,835.59 = 17,533.51/x
  3. Step 3: Cross multiply
    28,129.52x = 38,835.59 × 17,533.51
  4. Step 4: Simplify right side
    28,129.52x = 680,924,020.86
  5. Step 5: Solve for x
    x = 680,924,020.86/28,129.52
  6. Step 6: Final answer
    x = 24,206.74

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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.