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Finding the Fourth Proportional to 32,000.40, 47,903.40 and 28,501.20

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Solution

The fourth proportional to 32,000.40, 47,903.40 and 28,501.20 is: 42,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,000.40 : 47,903.40 = 28,501.20 : x
  2. Step 2: Convert to fraction form
    32,000.40/47,903.40 = 28,501.20/x
  3. Step 3: Cross multiply
    32,000.40x = 47,903.40 × 28,501.20
  4. Step 4: Simplify right side
    32,000.40x = 1,365,304,384.08
  5. Step 5: Solve for x
    x = 1,365,304,384.08/32,000.40
  6. Step 6: Final answer
    x = 42,665.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.