Home / 26,339.60-36,349.08-15,730.16

Finding the Fourth Proportional to 26,339.60, 36,349.08 and 15,730.16

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Solution

The fourth proportional to 26,339.60, 36,349.08 and 15,730.16 is: 21,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.60 : 36,349.08 = 15,730.16 : x
  2. Step 2: Convert to fraction form
    26,339.60/36,349.08 = 15,730.16/x
  3. Step 3: Cross multiply
    26,339.60x = 36,349.08 × 15,730.16
  4. Step 4: Simplify right side
    26,339.60x = 571,776,844.25
  5. Step 5: Solve for x
    x = 571,776,844.25/26,339.60
  6. Step 6: Final answer
    x = 21,707.88

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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.