Home / 47,389.68-65,397.60-28,527.84

Finding the Fourth Proportional to 47,389.68, 65,397.60 and 28,527.84

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Solution

The fourth proportional to 47,389.68, 65,397.60 and 28,527.84 is: 39,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.68 : 65,397.60 = 28,527.84 : x
  2. Step 2: Convert to fraction form
    47,389.68/65,397.60 = 28,527.84/x
  3. Step 3: Cross multiply
    47,389.68x = 65,397.60 × 28,527.84
  4. Step 4: Simplify right side
    47,389.68x = 1,865,652,269.18
  5. Step 5: Solve for x
    x = 1,865,652,269.18/47,389.68
  6. Step 6: Final answer
    x = 39,368.32

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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.