Home / 52,439.72-72,368.16-28,567.68

Finding the Fourth Proportional to 52,439.72, 72,368.16 and 28,567.68

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Solution

The fourth proportional to 52,439.72, 72,368.16 and 28,567.68 is: 39,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.72 : 72,368.16 = 28,567.68 : x
  2. Step 2: Convert to fraction form
    52,439.72/72,368.16 = 28,567.68/x
  3. Step 3: Cross multiply
    52,439.72x = 72,368.16 × 28,567.68
  4. Step 4: Simplify right side
    52,439.72x = 2,067,390,437.07
  5. Step 5: Solve for x
    x = 2,067,390,437.07/52,439.72
  6. Step 6: Final answer
    x = 39,424.13

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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.