Home / 27,328.74-37,715.28-16,720.42

Finding the Fourth Proportional to 27,328.74, 37,715.28 and 16,720.42

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Solution

The fourth proportional to 27,328.74, 37,715.28 and 16,720.42 is: 23,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.74 : 37,715.28 = 16,720.42 : x
  2. Step 2: Convert to fraction form
    27,328.74/37,715.28 = 16,720.42/x
  3. Step 3: Cross multiply
    27,328.74x = 37,715.28 × 16,720.42
  4. Step 4: Simplify right side
    27,328.74x = 630,615,238.42
  5. Step 5: Solve for x
    x = 630,615,238.42/27,328.74
  6. Step 6: Final answer
    x = 23,075.17

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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.