Home / 26,991.53-37,240.05-15,657.10

Finding the Fourth Proportional to 26,991.53, 37,240.05 and 15,657.10

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Solution

The fourth proportional to 26,991.53, 37,240.05 and 15,657.10 is: 21,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.53 : 37,240.05 = 15,657.10 : x
  2. Step 2: Convert to fraction form
    26,991.53/37,240.05 = 15,657.10/x
  3. Step 3: Cross multiply
    26,991.53x = 37,240.05 × 15,657.10
  4. Step 4: Simplify right side
    26,991.53x = 583,071,152.47
  5. Step 5: Solve for x
    x = 583,071,152.47/26,991.53
  6. Step 6: Final answer
    x = 21,602.01

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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.