Home / 28,730.52-43,117.38-13,159.08

Finding the Fourth Proportional to 28,730.52, 43,117.38 and 13,159.08

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Solution

The fourth proportional to 28,730.52, 43,117.38 and 13,159.08 is: 19,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.52 : 43,117.38 = 13,159.08 : x
  2. Step 2: Convert to fraction form
    28,730.52/43,117.38 = 13,159.08/x
  3. Step 3: Cross multiply
    28,730.52x = 43,117.38 × 13,159.08
  4. Step 4: Simplify right side
    28,730.52x = 567,385,052.81
  5. Step 5: Solve for x
    x = 567,385,052.81/28,730.52
  6. Step 6: Final answer
    x = 19,748.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.