Home / 27,430.56-37,854.12-14,855.28

Finding the Fourth Proportional to 27,430.56, 37,854.12 and 14,855.28

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Solution

The fourth proportional to 27,430.56, 37,854.12 and 14,855.28 is: 20,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.56 : 37,854.12 = 14,855.28 : x
  2. Step 2: Convert to fraction form
    27,430.56/37,854.12 = 14,855.28/x
  3. Step 3: Cross multiply
    27,430.56x = 37,854.12 × 14,855.28
  4. Step 4: Simplify right side
    27,430.56x = 562,333,551.75
  5. Step 5: Solve for x
    x = 562,333,551.75/27,430.56
  6. Step 6: Final answer
    x = 20,500.26

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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.