Home / 52,428.60-72,349.32-28,555.26

Finding the Fourth Proportional to 52,428.60, 72,349.32 and 28,555.26

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Solution

The fourth proportional to 52,428.60, 72,349.32 and 28,555.26 is: 39,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.60 : 72,349.32 = 28,555.26 : x
  2. Step 2: Convert to fraction form
    52,428.60/72,349.32 = 28,555.26/x
  3. Step 3: Cross multiply
    52,428.60x = 72,349.32 × 28,555.26
  4. Step 4: Simplify right side
    52,428.60x = 2,065,953,643.42
  5. Step 5: Solve for x
    x = 2,065,953,643.42/52,428.60
  6. Step 6: Final answer
    x = 39,405.09

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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.