Home / 26,985.06-40,453.10-9,445.32

Finding the Fourth Proportional to 26,985.06, 40,453.10 and 9,445.32

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Solution

The fourth proportional to 26,985.06, 40,453.10 and 9,445.32 is: 14,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.06 : 40,453.10 = 9,445.32 : x
  2. Step 2: Convert to fraction form
    26,985.06/40,453.10 = 9,445.32/x
  3. Step 3: Cross multiply
    26,985.06x = 40,453.10 × 9,445.32
  4. Step 4: Simplify right side
    26,985.06x = 382,092,427.27
  5. Step 5: Solve for x
    x = 382,092,427.27/26,985.06
  6. Step 6: Final answer
    x = 14,159.41

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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.