Home / 19,484.85-26,888.95-15,240.25

Finding the Fourth Proportional to 19,484.85, 26,888.95 and 15,240.25

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Solution

The fourth proportional to 19,484.85, 26,888.95 and 15,240.25 is: 21,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.85 : 26,888.95 = 15,240.25 : x
  2. Step 2: Convert to fraction form
    19,484.85/26,888.95 = 15,240.25/x
  3. Step 3: Cross multiply
    19,484.85x = 26,888.95 × 15,240.25
  4. Step 4: Simplify right side
    19,484.85x = 409,794,109.59
  5. Step 5: Solve for x
    x = 409,794,109.59/19,484.85
  6. Step 6: Final answer
    x = 21,031.42

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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.