Home / 28,364.13-39,149.60-18,303.93

Finding the Fourth Proportional to 28,364.13, 39,149.60 and 18,303.93

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Solution

The fourth proportional to 28,364.13, 39,149.60 and 18,303.93 is: 25,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.13 : 39,149.60 = 18,303.93 : x
  2. Step 2: Convert to fraction form
    28,364.13/39,149.60 = 18,303.93/x
  3. Step 3: Cross multiply
    28,364.13x = 39,149.60 × 18,303.93
  4. Step 4: Simplify right side
    28,364.13x = 716,591,446.41
  5. Step 5: Solve for x
    x = 716,591,446.41/28,364.13
  6. Step 6: Final answer
    x = 25,264.00

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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.