Home / 27,430.02-37,854.10-16,825.50

Finding the Fourth Proportional to 27,430.02, 37,854.10 and 16,825.50

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Solution

The fourth proportional to 27,430.02, 37,854.10 and 16,825.50 is: 23,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.02 : 37,854.10 = 16,825.50 : x
  2. Step 2: Convert to fraction form
    27,430.02/37,854.10 = 16,825.50/x
  3. Step 3: Cross multiply
    27,430.02x = 37,854.10 × 16,825.50
  4. Step 4: Simplify right side
    27,430.02x = 636,914,159.55
  5. Step 5: Solve for x
    x = 636,914,159.55/27,430.02
  6. Step 6: Final answer
    x = 23,219.60

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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.