Home / 26,987.53-37,254.30-16,921.70

Finding the Fourth Proportional to 26,987.53, 37,254.30 and 16,921.70

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Solution

The fourth proportional to 26,987.53, 37,254.30 and 16,921.70 is: 23,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.53 : 37,254.30 = 16,921.70 : x
  2. Step 2: Convert to fraction form
    26,987.53/37,254.30 = 16,921.70/x
  3. Step 3: Cross multiply
    26,987.53x = 37,254.30 × 16,921.70
  4. Step 4: Simplify right side
    26,987.53x = 630,406,088.31
  5. Step 5: Solve for x
    x = 630,406,088.31/26,987.53
  6. Step 6: Final answer
    x = 23,359.17

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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.