Home / 28,248.95-38,984.59-15,502.52

Finding the Fourth Proportional to 28,248.95, 38,984.59 and 15,502.52

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Solution

The fourth proportional to 28,248.95, 38,984.59 and 15,502.52 is: 21,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.95 : 38,984.59 = 15,502.52 : x
  2. Step 2: Convert to fraction form
    28,248.95/38,984.59 = 15,502.52/x
  3. Step 3: Cross multiply
    28,248.95x = 38,984.59 × 15,502.52
  4. Step 4: Simplify right side
    28,248.95x = 604,359,637.94
  5. Step 5: Solve for x
    x = 604,359,637.94/28,248.95
  6. Step 6: Final answer
    x = 21,394.06

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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.