Home / 27,478.50-37,920.60-14,903.52

Finding the Fourth Proportional to 27,478.50, 37,920.60 and 14,903.52

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Solution

The fourth proportional to 27,478.50, 37,920.60 and 14,903.52 is: 20,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.50 : 37,920.60 = 14,903.52 : x
  2. Step 2: Convert to fraction form
    27,478.50/37,920.60 = 14,903.52/x
  3. Step 3: Cross multiply
    27,478.50x = 37,920.60 × 14,903.52
  4. Step 4: Simplify right side
    27,478.50x = 565,150,420.51
  5. Step 5: Solve for x
    x = 565,150,420.51/27,478.50
  6. Step 6: Final answer
    x = 20,567.00

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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.