Home / 27,985.17-38,622.87-16,048.47

Finding the Fourth Proportional to 27,985.17, 38,622.87 and 16,048.47

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Solution

The fourth proportional to 27,985.17, 38,622.87 and 16,048.47 is: 22,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.17 : 38,622.87 = 16,048.47 : x
  2. Step 2: Convert to fraction form
    27,985.17/38,622.87 = 16,048.47/x
  3. Step 3: Cross multiply
    27,985.17x = 38,622.87 × 16,048.47
  4. Step 4: Simplify right side
    27,985.17x = 619,837,970.51
  5. Step 5: Solve for x
    x = 619,837,970.51/27,985.17
  6. Step 6: Final answer
    x = 22,148.80

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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.