Home / 26,987.32-37,240.68-15,657.16

Finding the Fourth Proportional to 26,987.32, 37,240.68 and 15,657.16

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Solution

The fourth proportional to 26,987.32, 37,240.68 and 15,657.16 is: 21,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.32 : 37,240.68 = 15,657.16 : x
  2. Step 2: Convert to fraction form
    26,987.32/37,240.68 = 15,657.16/x
  3. Step 3: Cross multiply
    26,987.32x = 37,240.68 × 15,657.16
  4. Step 4: Simplify right side
    26,987.32x = 583,083,285.27
  5. Step 5: Solve for x
    x = 583,083,285.27/26,987.32
  6. Step 6: Final answer
    x = 21,605.82

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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.