Home / 27,526.60-38,002.47-18,122.50

Finding the Fourth Proportional to 27,526.60, 38,002.47 and 18,122.50

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Solution

The fourth proportional to 27,526.60, 38,002.47 and 18,122.50 is: 25,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526.60 : 38,002.47 = 18,122.50 : x
  2. Step 2: Convert to fraction form
    27,526.60/38,002.47 = 18,122.50/x
  3. Step 3: Cross multiply
    27,526.60x = 38,002.47 × 18,122.50
  4. Step 4: Simplify right side
    27,526.60x = 688,699,762.58
  5. Step 5: Solve for x
    x = 688,699,762.58/27,526.60
  6. Step 6: Final answer
    x = 25,019.43

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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.